COMPONENT SPOTLIGHT

Jeep Wrangler transmission problems

313 distinct owner reports with a transmission-specific component in this snapshot.

General power-train reports are not automatically counted as transmission problems. Related recalls and investigations must also name this component; they are not linked by narrative keyword alone.

22 crash reports8 fire reports9 injury reports

Reports by model year

Recall and investigation columns show each year’s full history. A report naming several years can appear in more than one row.

When problems were reported

Mileage at the reported incident

111 reports with mileage · 202 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What owners actually said

313 reports
2000 model year · 20,000 miles · Jan 27, 2004
Power Train

JEEP WRANGLER NV3550 MANUAL FIVE SPEED TRANSMISSION NOISE. AT 20,000 MILES THE TRANSMISSION MADE IRREGULAR NOISES THAT CHRYSLER CLAIMS ARE NORMAL. NOW, JUST AS THE WARRANTY IS RUNNING OUT THEY CLAIM THESE SAME NOISES ARE A FAILING TRANSMISSION THAT NEEDS REPAIR AT THE COST OF $2000. *JB

NHTSA ODI #10055023

1995 model year · 40,000 miles · Dec 30, 2003
Electrical SystemPower TrainStructure

THE SHAFT IS DEFECTIVE AND PER THE SERVICEMAN HAS FOUND THAT THERE ARE SEVERAL ACCOUNTS OF THE DEFECTIVE SHAFT WHICH IN TURN HAS CAUSED THE GEARS TO GRIND AND COSTING ME 2 TRANSMISSIONS TO RESOLVE.

NHTSA ODI #10051303

2003 model year · 1,800 miles · Dec 29, 2003
Power Train

I HAVE A 2003 WRANGLER WITH A 5-SPEED MANUAL TRANSMISSION THAT SUFFERS FROM INTERMITTENT PROBLEMS WHERE SHIFTING GEARS IS DIFFICULT IF NOT IMPOSSIBLE. THE PROBLEM OCCURS MOST OFTEN WHEN ACCELERATING WHILE SHIFTING FROM 2ND TO 3RD GEARS, AND WHEN ATTEMPTING TO DOWNSHIFT FROM 5TH TO 4TH GEARS AT HIGHWAY SPEEDS. IF THE VEHICLE DO…

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I HAVE A 2003 WRANGLER WITH A 5-SPEED MANUAL TRANSMISSION THAT SUFFERS FROM INTERMITTENT PROBLEMS WHERE SHIFTING GEARS IS DIFFICULT IF NOT IMPOSSIBLE. THE PROBLEM OCCURS MOST OFTEN WHEN ACCELERATING WHILE SHIFTING FROM 2ND TO 3RD GEARS, AND WHEN ATTEMPTING TO DOWNSHIFT FROM 5TH TO 4TH GEARS AT HIGHWAY SPEEDS. IF THE VEHICLE DOES SHIFT A GRINDING/BANGING NOISE IS HEARD. I HAVE HAD THE LOCAL DEALER LOOK AT IT 4 TIMES AND THEY HAVE NOT BEEN ABLE TO DUPLICATE THE PROBLEM(S).*AK

NHTSA ODI #10051250

2003 model year · 800 miles · Dec 17, 2003
Power Train

I HAVE A 2003 WRANGLER WITH A 5-SPEED TRANSMISSION. I HAVE HAD A PROBLEM WHEN SHIFTING INTO SECOND AND THIRD GEAR. IT IS EITHER HARD TO GET INTO GEAR OR IT GRINDS AS IT GOES IN. THE DEALERSHIP HAS LOOKED AT THREE DIFFERENT TIMES AND HAS FOUND NO PROBLEM. THE VEHICLE NOW HAS 14,000 MILES ON IT AND IT NOW SEEMS TO BE WORSE DU…

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I HAVE A 2003 WRANGLER WITH A 5-SPEED TRANSMISSION. I HAVE HAD A PROBLEM WHEN SHIFTING INTO SECOND AND THIRD GEAR. IT IS EITHER HARD TO GET INTO GEAR OR IT GRINDS AS IT GOES IN. THE DEALERSHIP HAS LOOKED AT THREE DIFFERENT TIMES AND HAS FOUND NO PROBLEM. THE VEHICLE NOW HAS 14,000 MILES ON IT AND IT NOW SEEMS TO BE WORSE DURING COLDER WEATHER.*AK

NHTSA ODI #10050657

2000 model year · Mileage unknown · Dec 10, 2003
Power Train

2000 WRANGLER SPORT, 4.0 LITER, 5-SPEED TRANSMISSION - LOUD TRANSMISSION NOISES AT IDLE WITH CLUTCH OUT. TOOK IT BACK TO DEALER (EARNHARDT'S JEEP IN TEMPE) TWICE WHEN VEHICLE STILL UNDER WARRANTY. DEALER REPLACED CLUTCH ONCE, WHICH RESOLVED PROBLEM WITH GEAR STICKING BUT NOT NOISE PROBLEM. DEALER SAID NOISE PROBLEM COMMON TO THA…

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2000 WRANGLER SPORT, 4.0 LITER, 5-SPEED TRANSMISSION - LOUD TRANSMISSION NOISES AT IDLE WITH CLUTCH OUT. TOOK IT BACK TO DEALER (EARNHARDT'S JEEP IN TEMPE) TWICE WHEN VEHICLE STILL UNDER WARRANTY. DEALER REPLACED CLUTCH ONCE, WHICH RESOLVED PROBLEM WITH GEAR STICKING BUT NOT NOISE PROBLEM. DEALER SAID NOISE PROBLEM COMMON TO THAT YEAR AND NO FIX AS YET, BUT SAID I WOULD BE ELIGIBLE FOR FIX WHEN FACTORY DEVELOPED ONE. WENT TO TATE'S IN HOLBROOK YESTERDAY. THEY SHOWED ME ON COMPUTER THAT THERE IS NOW A FACTORY IDENTIFIED FIX INVOLVING REPLACING A SHAFT AND BUSHING OR BEARING IN THE TRANSFER CASE, BUT SAID THEY WON'T FIX MINE SINCE OUT OF WARRANTY. WROTE A LETTER TO EARNHARDT'S BUT HAVEN'T HEARD ANYTHING YET. FIX IS 21-001-01 DATED FEBRUARY, 2001. *LA

NHTSA ODI #10049533

2000 model year · 15,000 miles · Dec 4, 2003
Power Train

EACH TIME THE CAR WAS PUT INTO REVERSE WHEN BACKING OUT OF GARAGE OR PARKING LOT, THE AUTOMATIC TRANSMISSION WOULD ABRUPTLY JUMP INTO REVERSE GEAR WITH A VERY LOUD AND ABRUPT MOTION. IF YOU DID NOT HAVE YOUR FOOT ON BRAKE WHEN YOU PUT IT IN GEAR, CAR WOULD LEAP BACKWARDS. DEALER FOUND A LEAKING VALVE BASE GASKET IN THE TRANSMI…

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EACH TIME THE CAR WAS PUT INTO REVERSE WHEN BACKING OUT OF GARAGE OR PARKING LOT, THE AUTOMATIC TRANSMISSION WOULD ABRUPTLY JUMP INTO REVERSE GEAR WITH A VERY LOUD AND ABRUPT MOTION. IF YOU DID NOT HAVE YOUR FOOT ON BRAKE WHEN YOU PUT IT IN GEAR, CAR WOULD LEAP BACKWARDS. DEALER FOUND A LEAKING VALVE BASE GASKET IN THE TRANSMISSION, WHICH HE REPLACED. CAR HAS BEEN FINE SINCE, WITH NO FURTHER PROBLEMS WITH THE TRANSMISSION. *NLM

NHTSA ODI #10049221

1995 model year · 74,000 miles · Dec 3, 2003
Power Train

5TH GEAR WENT OUT - IN FEBRUARY 2001 I HAD TO HAVE THE TRANSMISSION REBUILT AS THE 5TH GEAR QUIT WORKING WHILE ON THE HIGHWAY. WHEN SLOWING THE VEHICLE DOWN FOR AN EXIT RAMP THE GEAR SHIFT POPPED OUT OF 5TH GEAR AND WOULD NOT GO BACK INTO 5TH GEAR. YOU COULD ACTUALLY SHIFT INTO 5TH POSITION BUT WAS LIKE PUTTING THE VEHICLE INT…

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5TH GEAR WENT OUT - IN FEBRUARY 2001 I HAD TO HAVE THE TRANSMISSION REBUILT AS THE 5TH GEAR QUIT WORKING WHILE ON THE HIGHWAY. WHEN SLOWING THE VEHICLE DOWN FOR AN EXIT RAMP THE GEAR SHIFT POPPED OUT OF 5TH GEAR AND WOULD NOT GO BACK INTO 5TH GEAR. YOU COULD ACTUALLY SHIFT INTO 5TH POSITION BUT WAS LIKE PUTTING THE VEHICLE INTO NEUTRAL. I HAD THE TRANSMISSION REBUILT AT THAT TIME BUT IT RECENTLY DID THE SAME THING AS I WAS DRIVING DOWN THE HIGHWAY AND HAD TO SLOW DUE TO A TRAFFIC JAM, THE SHIFT POPPED OUT OF 5TH GEAR AND 5TH GEAR NO LONGER WORKED. I WAS IN THE HOV LANE AND IT WAS VERY SCARY AS TRAFFIC WAS VERY HEAVY AND I COULD NOT GET THE CAR INTO GEAR. *NLM

NHTSA ODI #10049092

1997 model year · Mileage unknown · Nov 13, 2003
Power Train

TRANSMISSION STICKS AND GRINDS WHEN SHIFTING INTO 2ND GEAR; DEALER CHANGED TRANSMISSION FLUID, BUT STILL STICKS AND GRINDS; SHIFTING INTO 3RD, 4TH, AND 5TH GEARS IT SEEMS LIKE SYNCHRONIZERS AREN'T WORKING PROPERLY. THIS VEHICLE WAS A USED VEHICLE WHICH I RECENTLY PURCHASED AND WAS TOLD THAT THIS IS A COMMON COMPLAINT AND IT SE…

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TRANSMISSION STICKS AND GRINDS WHEN SHIFTING INTO 2ND GEAR; DEALER CHANGED TRANSMISSION FLUID, BUT STILL STICKS AND GRINDS; SHIFTING INTO 3RD, 4TH, AND 5TH GEARS IT SEEMS LIKE SYNCHRONIZERS AREN'T WORKING PROPERLY. THIS VEHICLE WAS A USED VEHICLE WHICH I RECENTLY PURCHASED AND WAS TOLD THAT THIS IS A COMMON COMPLAINT AND IT SEEMS LIKE DEALER DOESN'T WANT TO DO ANYTHING ABOUT IT. *LA

NHTSA ODI #10046886

2003 model year · 6,200 miles · Oct 8, 2003
Electrical SystemEngine And Engine CoolingParking Brake

ACCORDING TO INTERNAL SALES BROCHURES AND ADVERTISEMENTS THE 2003 JEEP WRANGLER RUBICON IS SUPPOSED TO BE THE MOST CAPABLE OFF ROAD JEEP EVER. MY JEEP HAS BEEN NOTHING BUT PROBLEMS, WHICH CONSISTS OF 2 BROKEN AXLES, FAULTY BRAKES, FAULTY PARKING BRAKE, FAULTY U-JOINT CLIPS, FAULTY WHEEL BEARING. AFTER PAYING THE DEALER TO REPL…

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ACCORDING TO INTERNAL SALES BROCHURES AND ADVERTISEMENTS THE 2003 JEEP WRANGLER RUBICON IS SUPPOSED TO BE THE MOST CAPABLE OFF ROAD JEEP EVER. MY JEEP HAS BEEN NOTHING BUT PROBLEMS, WHICH CONSISTS OF 2 BROKEN AXLES, FAULTY BRAKES, FAULTY PARKING BRAKE, FAULTY U-JOINT CLIPS, FAULTY WHEEL BEARING. AFTER PAYING THE DEALER TO REPLACE PARTS THAT SHOULD HAVE BEEN COVERED UNDER WARRANTY, THEN REALIZING THAT THEY FAILED TO REPLACE ANOTHER FAILED PART, CALLED TO ASK ABOUT A WORKAROUND UNTIL THE NEEDED PART CAME IN. THE ADVICE GIVEN WAS TO REMOVE THE BROKEN AXLE SHAFT AND DRIVE WITHOUT IT. THIS CAUSED BRAKE AND WHEEL BEARING FAILURE. AN ATTEMPT TO GET THE DEALER TO TAKE RESPONSIBILITY FOR THE REPAIR COST TOOK SOME TIME TO GET RESOLVED. FINALLY, THEY FIXED THE PROBLEMS AND VOIDED THE MANUFACTURE'S WARRANTY. REASON FOR VOIDING THE WARRANTY WAS MISUSE/ABUSE BECAUSE THE VEHICLE HAD BEEN USED OFF-ROAD AND HAD MUD ON THE UNDER CARRIAGE. THIS IS UNACCEPTABLE BECAUSE YOU CANNOT MARKET A VEHICLE AS OFF-ROAD AND THEN VOID THE WARRANTY IF IT IS USED IN THIS MANNER. THE VEHICLE WAS NEVER SUBMERGED, OR IN MUD/WATER DEEPER THEN THE HEIGHT OF THE BOTTOM OF THE FRONT BUMPER. FURTHERMORE, JEEP CLAIMS I AM A MEMBER OF A 4WD CLUB THAT I HAVE NO AFFILIATION WITH AND CLAIMS A WITNESS SAW THE VEHICLE UNDER WATER. BOTH NOT TRUE. ASKING FOR HELP FROM THE DOT TO MAKE JEEP STAND BY IT'S WARRANTY, OR HAVE THEM NOT MARKET THE VEHICLE AS OFF-ROAD SINCE IF USING IT OFF ROAD VOIDS THE WARRANTY THEN THIS IS FALSE ADVERTISING. *LA

NHTSA ODI #10041471

1997 model year · 73,629 miles · Sep 12, 2003
Electrical SystemEngine And Engine CoolingFuel System, Other

WHILE TRAVELING ON THE HIGHWAY WITHOUT PRIOR WARNING THE VEHICLE SHUT DOWN. *AK THE GAUGES MALFUNCTIONED (GAS READ EMPTY), THE VEHICLE JERKED UNCONTROLLABLY. DIFFERENT MECHANICS WERE UNABLE TO DUPLICATE THE PROBLEM. THE TRANSMISSION LEAKED (THERE WAS PINK FLUID IN THE BATTERY AREA), THE BELT PULLEY HAD FALLEN OFF AND THE …

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WHILE TRAVELING ON THE HIGHWAY WITHOUT PRIOR WARNING THE VEHICLE SHUT DOWN. *AK THE GAUGES MALFUNCTIONED (GAS READ EMPTY), THE VEHICLE JERKED UNCONTROLLABLY. DIFFERENT MECHANICS WERE UNABLE TO DUPLICATE THE PROBLEM. THE TRANSMISSION LEAKED (THERE WAS PINK FLUID IN THE BATTERY AREA), THE BELT PULLEY HAD FALLEN OFF AND THE VEHICLE OVERHEATED, AND THE BATTERY FAILED. *SCC *JB

NHTSA ODI #10024874

Related Official recalls

6

24V572000 · Power Train:manual Transmission:control Module:software

Aug 1, 2024

Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Wrangler and Jeep Gladiator vehicles that were previously remedied under NHTSA recall number 23V-116. The software for the powertrain control module may cause an engine stall, which can result in a loss of drive power.

Consequence & remedy

Consequence: A loss of drive power increases the risk of a crash.

Remedy: Dealers will update the powertrain control module software, free of charge. Owner notification letters were mailed August 15, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US LLC's number for this recall is 92B. Vehicles previously repaired under recall 23V-116 will need to have the new remedy completed.

18V280000 · Power Train:automatic Transmission

May 1, 2018

Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.

Consequence & remedy

Consequence: If the incorrect park lock rod is installed, the transmission may not shift into 'PARK' and keep the vehicle from moving, increasing the risk of unintended vehicle movement and the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will install the correct park lock rod, free of charge. The recall began June 28, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U43.

13V234000 · Power Train:automatic Transmission:cooling Unit And Lines; Steering:hydraulic Power Assist:hose, Piping, And Connections

Jun 4, 2013

Chrysler Group LLC (Chrysler) is recalling certain model year 2012-2013 Jeep Wrangler vehicles equipped with a 3.6L engine and an automatic transmission and manufactured January 23, 2011, through February 23, 2013. The power steering line may contact and wear a hole in the transmission oil cooler line resulting in a loss of transmission fluid.

Consequence & remedy

Consequence: A loss of transmission fluid may result in a loss of transmission function which may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the power steering return tube assembly, free of charge. The recall began on September 23, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N28.

Additional source detail variants (2)

Power Train:automatic Transmission:cooling Unit And Lines

Chrysler Group LLC (Chrysler) is recalling certain model year 2012-2013 Jeep Wrangler vehicles equipped with a 3.6L engine and an automatic transmission and manufactured January 23, 2011, through February 23, 2013. The power steering line may contact and wear a hole in the transmission oil cooler line resulting in a loss of transmission fluid.

Consequence: A loss of transmission fluid may result in a loss of transmission function which may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the power steering return tube assembly, free of charge. The recall began on September 23, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N28.

Steering:hydraulic Power Assist:hose, Piping, And Connections

Chrysler Group LLC (Chrysler) is recalling certain model year 2012-2013 Jeep Wrangler vehicles equipped with a 3.6L engine and an automatic transmission and manufactured January 23, 2011, through February 23, 2013. The power steering line may contact and wear a hole in the transmission oil cooler line resulting in a loss of transmission fluid.

Consequence: A loss of transmission fluid may result in a loss of transmission function which may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the power steering return tube assembly, free of charge. The recall began on September 23, 2013. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N28.

12V216000 · Power Train:automatic Transmission

May 16, 2012

CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2010 JEEP WRANGLER VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION. THE TRANSMISSION SKID PLATE, WHICH IS CLOSE TO THE CATALYTIC CONVERTER, CAN COLLECT DEBRIS.

Consequence & remedy

Consequence: IF THIS OCCURS, THE DEBRIS CAN IGNITE WITHOUT WARNING, RESULTING IN A VEHICLE FIRE.

Remedy: CHRYSLER WILL NOTIFY OWNERS, AND DEALERS WILL REPLACE THE SKID PLATE WITH A SKID BAR, FREE OF CHARGE. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.

09V436000 · Power Train:automatic Transmission

Nov 5, 2009

CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2007 THROUGH 2008 JEEP WRANGLER VEHICLES MANUFACTURED FROM JUNE 2006 THROUGH JULY 2008, EQUIPPED WITH AUTOMATIC TRANSMISSIONS. THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM.

Consequence & remedy

Consequence: FLUID COULD BOIL OVER AND MAY COME INTO CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.

Remedy: DEALERS WILL INSPECT AND INSTALL A "HOTOIL" MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID CONDITION. THE RECALL BEGAN ON FEBRUARY 22, 2010. OWNERS MAY CONTACT CHRYSLER AT 1-800-835-1403.

05V460000 · Power Train:automatic Transmission

Oct 6, 2005

ON CERTAIN PICKUP TRUCKS, SPORT UTILITY AND PASSENGER VEHICLES EQUIPPED WITH 42RLE AUTOMATIC TRANSMISSIONS, THE CUP PLUG THAT RETAINS THE PARK PAWL ANCHOR SHAFT MAY BE IMPROPERLY INSTALLED. IF THE SHAFT MOVES OUT OF POSITION, THE VEHICLE MAY NOT BE ABLE TO ACHIEVE 'PARK' POSITION.

Consequence & remedy

Consequence: IF THIS OCCURS AND THE PARKING BRAKE IS NOT APPLIED, THE VEHICLE MAY ROLL AWAY AND CAUSE A CRASH WITHOUT WARNING.

Remedy: DEALERS WILL INSPECT THE TRANSMISSIONS AND INSTALL A BRACKET TO ENSURE THE PARK PAWL ANCHOR SHAFT IS RETAINED IN THE PROPER POSITION. THE RECALL BEGAN ON NOVEMBER 28, 2005. OWNERS MAY CONTACT DAIMLERCHRYSLER AT 1-800-853-1403.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

Related NHTSA investigations

3

PE12009 · Skid Plate Debris Fires

Opened Mar 28, 2012 · Closed Aug 7, 2012

Status: closed (inferred from source dates) · Engine And Engine Cooling; Power Train:automatic Transmission

In a letter dated May 15, 2012, the Chrysler Group LLC (Chrysler) submitted a Defect Information Report to NHTSA identifying a safety defect regarding fires originating between the transmission skid plate and the exhaust catalyst in approximately 65,246 model year (MY) 2010 Jeep Wrangler 4x4 vehicles with automatic transmissions (NHTSA Recall 12V-216).According to Chrysler, changes to the exhaust system for MY 2010 resulted in reduced clearances between the exhaust catalyst and the skid plate.If debris collects in the area of the skid plate and is not removed, there is an increased potential for underbody debris fires.ODI's analysis of skid plate area fires in the MY 2010 Wrangler vehicles with automatic transmissions found that the rate increased significantly from approximately 1.7 fires per 100,000 vehicle years in the MY 2007 through 2009 vehicles with the prior exhaust design to approximately 14.8 fires per 100,000 vehicle years in MY 2010 vehicles, a nearly 800 percent increase.In analysis of both Vehicle Owner Questionnaire (VOQ) data submitted to the Office of Defects Investigation (ODI) and Chrysler's consumer complaint data submitted to ODI, 35 unique reports were identified by Chrysler alleging fire in subject vehicles with origins near the engine compartment or in the underbody area directly beneath and to the rear of the engine compartment.Chrysler's assessments of the 35 reports of fire were categorized by likely causes.Eleven of the fires were determined to be caused by skid plate debris accumulation and 4 additional fires were found to have originated in the area of the skid plate, but debris ignition could not be confirmed.An additional skid plate debris fire was reported to ODI after the recall announcement, bringing the total known fire count to 36, including 12 caused by skid plate debris and 4 originating in the skid plate area from unknown causes.Chrysler identified a design change to the exhaust system in MY 2010 that increased the possibility of debris contact with an exhaust catalyst.Beginning in MY 2011, the skid plate was replaced with a skid bar for weight reduction purposes.The skid bar having a much smaller surface area than the skid plate reduces the potential for debris entrapment.The recall remedy for recall 12V-216 will involve replacement of the skid plate with the skid bar.As background, the MY 2010 subject vehicles are a part of the JK generation of Jeep Wrangler vehicles that began production in MY 2007.Chrysler conducted a prior recall (09V-436) of MY 2007 and 2008 Jeep Wranglers for a defect involving overheated transmission fluid expulsion that could contact the exhaust and cause an engine compartment fire.The recall remedy was to add audible (chime) and visual warnings (hot oil message in the instrument cluster) to alert the driver that the vehicle was being operated with elevated transmission fluid temperatures.Chrysler enhanced the audible warning with a service campaign (J31) for MY 2009 and a portion of the subject MY 2010 vehicles.Transmission fluid expulsion has not been identified as the cause of any of the 36 fire incidents in the subject vehicles. No indications of a common causal pattern were evident in the remaining 20 fire incidents in the subject vehicles.Six (6) of the incidents appear to be related to improper wiring of various added aftermarket equipment, 2 appear to be related to improper oil change, 1 was related to a damaged transfer case, 1 was related to an electrical short circuit and the remaining 10 were of unknown origin.Accordingly, this Preliminary Evaluation is closed.The ODI reports cited above can be reviewed at www-odi.

Additional source detail variants (2)

Engine And Engine Cooling

In a letter dated May 15, 2012, the Chrysler Group LLC (Chrysler) submitted a Defect Information Report to NHTSA identifying a safety defect regarding fires originating between the transmission skid plate and the exhaust catalyst in approximately 65,246 model year (MY) 2010 Jeep Wrangler 4x4 vehicles with automatic transmissions (NHTSA Recall 12V-216).According to Chrysler, changes to the exhaust system for MY 2010 resulted in reduced clearances between the exhaust catalyst and the skid plate.If debris collects in the area of the skid plate and is not removed, there is an increased potential for underbody debris fires.ODI's analysis of skid plate area fires in the MY 2010 Wrangler vehicles with automatic transmissions found that the rate increased significantly from approximately 1.7 fires per 100,000 vehicle years in the MY 2007 through 2009 vehicles with the prior exhaust design to approximately 14.8 fires per 100,000 vehicle years in MY 2010 vehicles, a nearly 800 percent increase.In analysis of both Vehicle Owner Questionnaire (VOQ) data submitted to the Office of Defects Investigation (ODI) and Chrysler's consumer complaint data submitted to ODI, 35 unique reports were identified by Chrysler alleging fire in subject vehicles with origins near the engine compartment or in the underbody area directly beneath and to the rear of the engine compartment.Chrysler's assessments of the 35 reports of fire were categorized by likely causes.Eleven of the fires were determined to be caused by skid plate debris accumulation and 4 additional fires were found to have originated in the area of the skid plate, but debris ignition could not be confirmed.An additional skid plate debris fire was reported to ODI after the recall announcement, bringing the total known fire count to 36, including 12 caused by skid plate debris and 4 originating in the skid plate area from unknown causes.Chrysler identified a design change to the exhaust system in MY 2010 that increased the possibility of debris contact with an exhaust catalyst.Beginning in MY 2011, the skid plate was replaced with a skid bar for weight reduction purposes.The skid bar having a much smaller surface area than the skid plate reduces the potential for debris entrapment.The recall remedy for recall 12V-216 will involve replacement of the skid plate with the skid bar.As background, the MY 2010 subject vehicles are a part of the JK generation of Jeep Wrangler vehicles that began production in MY 2007.Chrysler conducted a prior recall (09V-436) of MY 2007 and 2008 Jeep Wranglers for a defect involving overheated transmission fluid expulsion that could contact the exhaust and cause an engine compartment fire.The recall remedy was to add audible (chime) and visual warnings (hot oil message in the instrument cluster) to alert the driver that the vehicle was being operated with elevated transmission fluid temperatures.Chrysler enhanced the audible warning with a service campaign (J31) for MY 2009 and a portion of the subject MY 2010 vehicles.Transmission fluid expulsion has not been identified as the cause of any of the 36 fire incidents in the subject vehicles. No indications of a common causal pattern were evident in the remaining 20 fire incidents in the subject vehicles.Six (6) of the incidents appear to be related to improper wiring of various added aftermarket equipment, 2 appear to be related to improper oil change, 1 was related to a damaged transfer case, 1 was related to an electrical short circuit and the remaining 10 were of unknown origin.Accordingly, this Preliminary Evaluation is closed.The ODI reports cited above can be reviewed at www-odi.

Power Train:automatic Transmission

In a letter dated May 15, 2012, the Chrysler Group LLC (Chrysler) submitted a Defect Information Report to NHTSA identifying a safety defect regarding fires originating between the transmission skid plate and the exhaust catalyst in approximately 65,246 model year (MY) 2010 Jeep Wrangler 4x4 vehicles with automatic transmissions (NHTSA Recall 12V-216).According to Chrysler, changes to the exhaust system for MY 2010 resulted in reduced clearances between the exhaust catalyst and the skid plate.If debris collects in the area of the skid plate and is not removed, there is an increased potential for underbody debris fires.ODI's analysis of skid plate area fires in the MY 2010 Wrangler vehicles with automatic transmissions found that the rate increased significantly from approximately 1.7 fires per 100,000 vehicle years in the MY 2007 through 2009 vehicles with the prior exhaust design to approximately 14.8 fires per 100,000 vehicle years in MY 2010 vehicles, a nearly 800 percent increase.In analysis of both Vehicle Owner Questionnaire (VOQ) data submitted to the Office of Defects Investigation (ODI) and Chrysler's consumer complaint data submitted to ODI, 35 unique reports were identified by Chrysler alleging fire in subject vehicles with origins near the engine compartment or in the underbody area directly beneath and to the rear of the engine compartment.Chrysler's assessments of the 35 reports of fire were categorized by likely causes.Eleven of the fires were determined to be caused by skid plate debris accumulation and 4 additional fires were found to have originated in the area of the skid plate, but debris ignition could not be confirmed.An additional skid plate debris fire was reported to ODI after the recall announcement, bringing the total known fire count to 36, including 12 caused by skid plate debris and 4 originating in the skid plate area from unknown causes.Chrysler identified a design change to the exhaust system in MY 2010 that increased the possibility of debris contact with an exhaust catalyst.Beginning in MY 2011, the skid plate was replaced with a skid bar for weight reduction purposes.The skid bar having a much smaller surface area than the skid plate reduces the potential for debris entrapment.The recall remedy for recall 12V-216 will involve replacement of the skid plate with the skid bar.As background, the MY 2010 subject vehicles are a part of the JK generation of Jeep Wrangler vehicles that began production in MY 2007.Chrysler conducted a prior recall (09V-436) of MY 2007 and 2008 Jeep Wranglers for a defect involving overheated transmission fluid expulsion that could contact the exhaust and cause an engine compartment fire.The recall remedy was to add audible (chime) and visual warnings (hot oil message in the instrument cluster) to alert the driver that the vehicle was being operated with elevated transmission fluid temperatures.Chrysler enhanced the audible warning with a service campaign (J31) for MY 2009 and a portion of the subject MY 2010 vehicles.Transmission fluid expulsion has not been identified as the cause of any of the 36 fire incidents in the subject vehicles. No indications of a common causal pattern were evident in the remaining 20 fire incidents in the subject vehicles.Six (6) of the incidents appear to be related to improper wiring of various added aftermarket equipment, 2 appear to be related to improper oil change, 1 was related to a damaged transfer case, 1 was related to an electrical short circuit and the remaining 10 were of unknown origin.Accordingly, this Preliminary Evaluation is closed.The ODI reports cited above can be reviewed at www-odi.

PE09037 · Transmission Overheating / Fire

Opened Aug 12, 2009 · Closed Nov 17, 2009

Status: closed (inferred from source dates) · Power Train; Power Train:automatic Transmission; Power Train:manual Transmission

IN A LETTER DATED NOVEMBER 3, 2009, CHRYSLER GROUP LLC (CHRYSLER), NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL OF APPROXIMATELY 161,000 MODEL YEAR (MY) 2007 AND 2008 JEEP WRANGLER VEHICLES BUILT WITH AUTOMATIC TRANSMISSIONS.CHRYSLER STATED THAT THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM AND THE OPERATION OF THESE VEHICLES BEYOND THE LIMITS OF REASONABLE USAGE OVER A PERIOD OF TIME COULD RESULT IN TRANSMISSION FAILURE AND IN SOME CASES TRANSMISSION FLUID EXPULSION.THE EXPELLED FLUID COULD COME IN CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.CHRYSLER WILL CONDUCT A SAFETY RECALL TO INSTALL A HOT OIL WARNING MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITION.AN OWNER'S MANUAL ADDENDUM STATING THE PURPOSE OF THE HOT OIL MESSAGE AND CHIME TO INCLUDE CAUTION AND WARNING STATEMENTS REGARDING ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITIONS WILL BE PROVIDED TO OWNERS.BASED ON CHRYSLER'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Additional source detail variants (3)

Power Train:automatic Transmission

IN A LETTER DATED NOVEMBER 3, 2009, CHRYSLER GROUP LLC (CHRYSLER), NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL OF APPROXIMATELY 161,000 MODEL YEAR (MY) 2007 AND 2008 JEEP WRANGLER VEHICLES BUILT WITH AUTOMATIC TRANSMISSIONS.CHRYSLER STATED THAT THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM AND THE OPERATION OF THESE VEHICLES BEYOND THE LIMITS OF REASONABLE USAGE OVER A PERIOD OF TIME COULD RESULT IN TRANSMISSION FAILURE AND IN SOME CASES TRANSMISSION FLUID EXPULSION.THE EXPELLED FLUID COULD COME IN CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.CHRYSLER WILL CONDUCT A SAFETY RECALL TO INSTALL A HOT OIL WARNING MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITION.AN OWNER'S MANUAL ADDENDUM STATING THE PURPOSE OF THE HOT OIL MESSAGE AND CHIME TO INCLUDE CAUTION AND WARNING STATEMENTS REGARDING ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITIONS WILL BE PROVIDED TO OWNERS.BASED ON CHRYSLER'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Power Train

IN A LETTER DATED NOVEMBER 3, 2009, CHRYSLER GROUP LLC (CHRYSLER), NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL OF APPROXIMATELY 161,000 MODEL YEAR (MY) 2007 AND 2008 JEEP WRANGLER VEHICLES BUILT WITH AUTOMATIC TRANSMISSIONS.CHRYSLER STATED THAT THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM AND THE OPERATION OF THESE VEHICLES BEYOND THE LIMITS OF REASONABLE USAGE OVER A PERIOD OF TIME COULD RESULT IN TRANSMISSION FAILURE AND IN SOME CASES TRANSMISSION FLUID EXPULSION.THE EXPELLED FLUID COULD COME IN CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.CHRYSLER WILL CONDUCT A SAFETY RECALL TO INSTALL A HOT OIL WARNING MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITION.AN OWNER'S MANUAL ADDENDUM STATING THE PURPOSE OF THE HOT OIL MESSAGE AND CHIME TO INCLUDE CAUTION AND WARNING STATEMENTS REGARDING ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITIONS WILL BE PROVIDED TO OWNERS.BASED ON CHRYSLER'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

Power Train:manual Transmission

IN A LETTER DATED NOVEMBER 3, 2009, CHRYSLER GROUP LLC (CHRYSLER), NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL OF APPROXIMATELY 161,000 MODEL YEAR (MY) 2007 AND 2008 JEEP WRANGLER VEHICLES BUILT WITH AUTOMATIC TRANSMISSIONS.CHRYSLER STATED THAT THESE VEHICLES WERE NOT EQUIPPED WITH A TRANSMISSION FLUID TEMPERATURE WARNING SYSTEM AND THE OPERATION OF THESE VEHICLES BEYOND THE LIMITS OF REASONABLE USAGE OVER A PERIOD OF TIME COULD RESULT IN TRANSMISSION FAILURE AND IN SOME CASES TRANSMISSION FLUID EXPULSION.THE EXPELLED FLUID COULD COME IN CONTACT WITH A HOT ENGINE OR EXHAUST COMPONENT AND CAUSE A FIRE.CHRYSLER WILL CONDUCT A SAFETY RECALL TO INSTALL A HOT OIL WARNING MESSAGE IN THE INSTRUMENT CLUSTER AND A CHIME INDICATING AN ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITION.AN OWNER'S MANUAL ADDENDUM STATING THE PURPOSE OF THE HOT OIL MESSAGE AND CHIME TO INCLUDE CAUTION AND WARNING STATEMENTS REGARDING ELEVATED TRANSMISSION FLUID TEMPERATURE CONDITIONS WILL BE PROVIDED TO OWNERS.BASED ON CHRYSLER'S DECISION TO CONDUCT A SAFETY RECALL THIS ENGINEERING ANALYSIS IS CLOSED.

PE07027 · Engine Stalling & Electric Power Loss

Opened May 29, 2007 · Closed Aug 2, 2007

Status: closed (inferred from source dates) · Electrical System; Engine And Engine Cooling; Power Train:automatic Transmission; Power Train:manual Transmission

ON JULY 3, 2007, DAIMLERCHRYSLER CORPORATION (DCC) SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA DESCRIBING A DEFECT THAT COULD RESULT IN ENGINE STALL WHILE DRIVING IN APPROXIMATELY 80,894 MODEL YEAR (MY) 2007 JEEP WRANGLER AND DODGE NITRO VEHICLES MANUFACTURED BETWEEN JANUARY 30, 2006 AND JANUARY 22, 2007 (NHTSA RECALL 07V-291, DCC RECALL G25).ACCORDING TO DCC, THE TOTALLY INTEGRATED POWER MODULE (TIPM) IN THESE VEHICLES WAS PROGRAMMED WITH SOFTWARE THAT MAY ALLOW THE ENGINE TO STALL UNDER CERTAIN CONDITIONS.DCC WILL REPROGRAM THE TIPM IN THE RECALLED VEHICLES WITH REVISED SOFTWARE. ODI OPENED PE07-027 ON MAY 29, 2007, BASED ON 53 COMPLAINTS ALLEGING ENGINE STALL AND/OR LOSS OF ELECTRICAL POWER IN MY 2007 JEEP WRANGLER VEHICLES.ODI WAS ALSO MONITORING SIMILAR COMPLAINTS IN MY 2007 DODGE NITRO VEHICLES.DCC'S ANALYSIS OF COMPLAINTS TO DCC AND NHTSA FOUND THAT MANY DESCRIBED EVENTS WITH A MOMENTARY LOSS OF ELECTRICAL POWER INSIDE THE VEHICLE AND A CORRESPONDING LOSS OF ENGINE POWER.MANY OF THE REPORTS ALSO INDICATED THAT THE INSTRUMENT CLUSTER TELLTALE LAMPS MOMENTARILY ILLUMINATED DURING THE EVENT. DCC'S ENGINEERING ANALYSIS DETERMINED THAT THE TIPM COULD INITIATE AN INTERNAL RESET CYCLE LASTING APPROXIMATELY 75 MS IN RESPONSE TO ERROR MESSAGES ON THE COMMUNICATION BUS.THE KEY ON SIGNAL FROM THE TIPM TO THE POWERTRAIN CONTROL MODULE (PCM) IS LOST DURING A TIPM RESET.IF THE PCM LOSES THE KEY ON SIGNAL FOR LONGER THAN 40 MS, IT INTERPRETS IT AS THE VEHICLE IGNITION BEING TURNED OFF AND BEGINS A POWER DOWN ROUTINE.AFTER THE TIPM RESET, THE KEY ON SIGNAL IS RESTORED AND THE PCM POWERS BACK UP.IF THE ROTATING COMPONENTS OF THE ENGINE CONTAIN SUFFICIENT INERTIA, THE VEHICLE MAY RESTART WITH NO INPUT FROM THE OPERATOR AS REPORTED IN SOME OF THE COMPLAINTS.IF THE ENGINE DOES NOT RESTART IN THIS MANNER, IT CAN BE RESTARTED BY THE OPERATOR.A REVISION TO THE TIPM SOFTWARE ON JANUARY 22, 2007 CHANGED THE TIPM RESET TIME TO 17 MS, REMOVING THE POTENTIAL FOR PCM POWER DOWN AND ENGINE STALL. ODI HAS RECEIVED 178 COMPLAINTS POTENTIALLY RELATED TO THE ALLEGED DEFECT IN MY 2007 JEEP WRANGLER VEHICLES AND 52 COMPLAINTS INVOLVING MY 2007 DODGE NITRO VEHICLES.TWO OF THE NITRO COMPLAINTS ALLEGE THAT A CRASH RESULTED FROM AN ENGINE STALL INCIDENT, ONE OF WHICH CAUSED MINOR INJURIES TO A PASSENGER.AS OF JUNE 1, 2007, DCC IDENTIFIED 151 WRANGLER COMPLAINTS AND 128 NITRO COMPLAINTS. THIS INVESTIGATION HAS BEEN CLOSED WITH DCC'S RECALL.

Additional source detail variants (4)

Electrical System

ON JULY 3, 2007, DAIMLERCHRYSLER CORPORATION (DCC) SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA DESCRIBING A DEFECT THAT COULD RESULT IN ENGINE STALL WHILE DRIVING IN APPROXIMATELY 80,894 MODEL YEAR (MY) 2007 JEEP WRANGLER AND DODGE NITRO VEHICLES MANUFACTURED BETWEEN JANUARY 30, 2006 AND JANUARY 22, 2007 (NHTSA RECALL 07V-291, DCC RECALL G25).ACCORDING TO DCC, THE TOTALLY INTEGRATED POWER MODULE (TIPM) IN THESE VEHICLES WAS PROGRAMMED WITH SOFTWARE THAT MAY ALLOW THE ENGINE TO STALL UNDER CERTAIN CONDITIONS.DCC WILL REPROGRAM THE TIPM IN THE RECALLED VEHICLES WITH REVISED SOFTWARE. ODI OPENED PE07-027 ON MAY 29, 2007, BASED ON 53 COMPLAINTS ALLEGING ENGINE STALL AND/OR LOSS OF ELECTRICAL POWER IN MY 2007 JEEP WRANGLER VEHICLES.ODI WAS ALSO MONITORING SIMILAR COMPLAINTS IN MY 2007 DODGE NITRO VEHICLES.DCC'S ANALYSIS OF COMPLAINTS TO DCC AND NHTSA FOUND THAT MANY DESCRIBED EVENTS WITH A MOMENTARY LOSS OF ELECTRICAL POWER INSIDE THE VEHICLE AND A CORRESPONDING LOSS OF ENGINE POWER.MANY OF THE REPORTS ALSO INDICATED THAT THE INSTRUMENT CLUSTER TELLTALE LAMPS MOMENTARILY ILLUMINATED DURING THE EVENT. DCC'S ENGINEERING ANALYSIS DETERMINED THAT THE TIPM COULD INITIATE AN INTERNAL RESET CYCLE LASTING APPROXIMATELY 75 MS IN RESPONSE TO ERROR MESSAGES ON THE COMMUNICATION BUS.THE KEY ON SIGNAL FROM THE TIPM TO THE POWERTRAIN CONTROL MODULE (PCM) IS LOST DURING A TIPM RESET.IF THE PCM LOSES THE KEY ON SIGNAL FOR LONGER THAN 40 MS, IT INTERPRETS IT AS THE VEHICLE IGNITION BEING TURNED OFF AND BEGINS A POWER DOWN ROUTINE.AFTER THE TIPM RESET, THE KEY ON SIGNAL IS RESTORED AND THE PCM POWERS BACK UP.IF THE ROTATING COMPONENTS OF THE ENGINE CONTAIN SUFFICIENT INERTIA, THE VEHICLE MAY RESTART WITH NO INPUT FROM THE OPERATOR AS REPORTED IN SOME OF THE COMPLAINTS.IF THE ENGINE DOES NOT RESTART IN THIS MANNER, IT CAN BE RESTARTED BY THE OPERATOR.A REVISION TO THE TIPM SOFTWARE ON JANUARY 22, 2007 CHANGED THE TIPM RESET TIME TO 17 MS, REMOVING THE POTENTIAL FOR PCM POWER DOWN AND ENGINE STALL. ODI HAS RECEIVED 178 COMPLAINTS POTENTIALLY RELATED TO THE ALLEGED DEFECT IN MY 2007 JEEP WRANGLER VEHICLES AND 52 COMPLAINTS INVOLVING MY 2007 DODGE NITRO VEHICLES.TWO OF THE NITRO COMPLAINTS ALLEGE THAT A CRASH RESULTED FROM AN ENGINE STALL INCIDENT, ONE OF WHICH CAUSED MINOR INJURIES TO A PASSENGER.AS OF JUNE 1, 2007, DCC IDENTIFIED 151 WRANGLER COMPLAINTS AND 128 NITRO COMPLAINTS. THIS INVESTIGATION HAS BEEN CLOSED WITH DCC'S RECALL.

Engine And Engine Cooling

ON JULY 3, 2007, DAIMLERCHRYSLER CORPORATION (DCC) SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA DESCRIBING A DEFECT THAT COULD RESULT IN ENGINE STALL WHILE DRIVING IN APPROXIMATELY 80,894 MODEL YEAR (MY) 2007 JEEP WRANGLER AND DODGE NITRO VEHICLES MANUFACTURED BETWEEN JANUARY 30, 2006 AND JANUARY 22, 2007 (NHTSA RECALL 07V-291, DCC RECALL G25).ACCORDING TO DCC, THE TOTALLY INTEGRATED POWER MODULE (TIPM) IN THESE VEHICLES WAS PROGRAMMED WITH SOFTWARE THAT MAY ALLOW THE ENGINE TO STALL UNDER CERTAIN CONDITIONS.DCC WILL REPROGRAM THE TIPM IN THE RECALLED VEHICLES WITH REVISED SOFTWARE. ODI OPENED PE07-027 ON MAY 29, 2007, BASED ON 53 COMPLAINTS ALLEGING ENGINE STALL AND/OR LOSS OF ELECTRICAL POWER IN MY 2007 JEEP WRANGLER VEHICLES.ODI WAS ALSO MONITORING SIMILAR COMPLAINTS IN MY 2007 DODGE NITRO VEHICLES.DCC'S ANALYSIS OF COMPLAINTS TO DCC AND NHTSA FOUND THAT MANY DESCRIBED EVENTS WITH A MOMENTARY LOSS OF ELECTRICAL POWER INSIDE THE VEHICLE AND A CORRESPONDING LOSS OF ENGINE POWER.MANY OF THE REPORTS ALSO INDICATED THAT THE INSTRUMENT CLUSTER TELLTALE LAMPS MOMENTARILY ILLUMINATED DURING THE EVENT. DCC'S ENGINEERING ANALYSIS DETERMINED THAT THE TIPM COULD INITIATE AN INTERNAL RESET CYCLE LASTING APPROXIMATELY 75 MS IN RESPONSE TO ERROR MESSAGES ON THE COMMUNICATION BUS.THE KEY ON SIGNAL FROM THE TIPM TO THE POWERTRAIN CONTROL MODULE (PCM) IS LOST DURING A TIPM RESET.IF THE PCM LOSES THE KEY ON SIGNAL FOR LONGER THAN 40 MS, IT INTERPRETS IT AS THE VEHICLE IGNITION BEING TURNED OFF AND BEGINS A POWER DOWN ROUTINE.AFTER THE TIPM RESET, THE KEY ON SIGNAL IS RESTORED AND THE PCM POWERS BACK UP.IF THE ROTATING COMPONENTS OF THE ENGINE CONTAIN SUFFICIENT INERTIA, THE VEHICLE MAY RESTART WITH NO INPUT FROM THE OPERATOR AS REPORTED IN SOME OF THE COMPLAINTS.IF THE ENGINE DOES NOT RESTART IN THIS MANNER, IT CAN BE RESTARTED BY THE OPERATOR.A REVISION TO THE TIPM SOFTWARE ON JANUARY 22, 2007 CHANGED THE TIPM RESET TIME TO 17 MS, REMOVING THE POTENTIAL FOR PCM POWER DOWN AND ENGINE STALL. ODI HAS RECEIVED 178 COMPLAINTS POTENTIALLY RELATED TO THE ALLEGED DEFECT IN MY 2007 JEEP WRANGLER VEHICLES AND 52 COMPLAINTS INVOLVING MY 2007 DODGE NITRO VEHICLES.TWO OF THE NITRO COMPLAINTS ALLEGE THAT A CRASH RESULTED FROM AN ENGINE STALL INCIDENT, ONE OF WHICH CAUSED MINOR INJURIES TO A PASSENGER.AS OF JUNE 1, 2007, DCC IDENTIFIED 151 WRANGLER COMPLAINTS AND 128 NITRO COMPLAINTS. THIS INVESTIGATION HAS BEEN CLOSED WITH DCC'S RECALL.

Power Train:automatic Transmission

ON JULY 3, 2007, DAIMLERCHRYSLER CORPORATION (DCC) SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA DESCRIBING A DEFECT THAT COULD RESULT IN ENGINE STALL WHILE DRIVING IN APPROXIMATELY 80,894 MODEL YEAR (MY) 2007 JEEP WRANGLER AND DODGE NITRO VEHICLES MANUFACTURED BETWEEN JANUARY 30, 2006 AND JANUARY 22, 2007 (NHTSA RECALL 07V-291, DCC RECALL G25).ACCORDING TO DCC, THE TOTALLY INTEGRATED POWER MODULE (TIPM) IN THESE VEHICLES WAS PROGRAMMED WITH SOFTWARE THAT MAY ALLOW THE ENGINE TO STALL UNDER CERTAIN CONDITIONS.DCC WILL REPROGRAM THE TIPM IN THE RECALLED VEHICLES WITH REVISED SOFTWARE. ODI OPENED PE07-027 ON MAY 29, 2007, BASED ON 53 COMPLAINTS ALLEGING ENGINE STALL AND/OR LOSS OF ELECTRICAL POWER IN MY 2007 JEEP WRANGLER VEHICLES.ODI WAS ALSO MONITORING SIMILAR COMPLAINTS IN MY 2007 DODGE NITRO VEHICLES.DCC'S ANALYSIS OF COMPLAINTS TO DCC AND NHTSA FOUND THAT MANY DESCRIBED EVENTS WITH A MOMENTARY LOSS OF ELECTRICAL POWER INSIDE THE VEHICLE AND A CORRESPONDING LOSS OF ENGINE POWER.MANY OF THE REPORTS ALSO INDICATED THAT THE INSTRUMENT CLUSTER TELLTALE LAMPS MOMENTARILY ILLUMINATED DURING THE EVENT. DCC'S ENGINEERING ANALYSIS DETERMINED THAT THE TIPM COULD INITIATE AN INTERNAL RESET CYCLE LASTING APPROXIMATELY 75 MS IN RESPONSE TO ERROR MESSAGES ON THE COMMUNICATION BUS.THE KEY ON SIGNAL FROM THE TIPM TO THE POWERTRAIN CONTROL MODULE (PCM) IS LOST DURING A TIPM RESET.IF THE PCM LOSES THE KEY ON SIGNAL FOR LONGER THAN 40 MS, IT INTERPRETS IT AS THE VEHICLE IGNITION BEING TURNED OFF AND BEGINS A POWER DOWN ROUTINE.AFTER THE TIPM RESET, THE KEY ON SIGNAL IS RESTORED AND THE PCM POWERS BACK UP.IF THE ROTATING COMPONENTS OF THE ENGINE CONTAIN SUFFICIENT INERTIA, THE VEHICLE MAY RESTART WITH NO INPUT FROM THE OPERATOR AS REPORTED IN SOME OF THE COMPLAINTS.IF THE ENGINE DOES NOT RESTART IN THIS MANNER, IT CAN BE RESTARTED BY THE OPERATOR.A REVISION TO THE TIPM SOFTWARE ON JANUARY 22, 2007 CHANGED THE TIPM RESET TIME TO 17 MS, REMOVING THE POTENTIAL FOR PCM POWER DOWN AND ENGINE STALL. ODI HAS RECEIVED 178 COMPLAINTS POTENTIALLY RELATED TO THE ALLEGED DEFECT IN MY 2007 JEEP WRANGLER VEHICLES AND 52 COMPLAINTS INVOLVING MY 2007 DODGE NITRO VEHICLES.TWO OF THE NITRO COMPLAINTS ALLEGE THAT A CRASH RESULTED FROM AN ENGINE STALL INCIDENT, ONE OF WHICH CAUSED MINOR INJURIES TO A PASSENGER.AS OF JUNE 1, 2007, DCC IDENTIFIED 151 WRANGLER COMPLAINTS AND 128 NITRO COMPLAINTS. THIS INVESTIGATION HAS BEEN CLOSED WITH DCC'S RECALL.

Power Train:manual Transmission

ON JULY 3, 2007, DAIMLERCHRYSLER CORPORATION (DCC) SUBMITTED A DEFECT INFORMATION REPORT TO NHTSA DESCRIBING A DEFECT THAT COULD RESULT IN ENGINE STALL WHILE DRIVING IN APPROXIMATELY 80,894 MODEL YEAR (MY) 2007 JEEP WRANGLER AND DODGE NITRO VEHICLES MANUFACTURED BETWEEN JANUARY 30, 2006 AND JANUARY 22, 2007 (NHTSA RECALL 07V-291, DCC RECALL G25).ACCORDING TO DCC, THE TOTALLY INTEGRATED POWER MODULE (TIPM) IN THESE VEHICLES WAS PROGRAMMED WITH SOFTWARE THAT MAY ALLOW THE ENGINE TO STALL UNDER CERTAIN CONDITIONS.DCC WILL REPROGRAM THE TIPM IN THE RECALLED VEHICLES WITH REVISED SOFTWARE. ODI OPENED PE07-027 ON MAY 29, 2007, BASED ON 53 COMPLAINTS ALLEGING ENGINE STALL AND/OR LOSS OF ELECTRICAL POWER IN MY 2007 JEEP WRANGLER VEHICLES.ODI WAS ALSO MONITORING SIMILAR COMPLAINTS IN MY 2007 DODGE NITRO VEHICLES.DCC'S ANALYSIS OF COMPLAINTS TO DCC AND NHTSA FOUND THAT MANY DESCRIBED EVENTS WITH A MOMENTARY LOSS OF ELECTRICAL POWER INSIDE THE VEHICLE AND A CORRESPONDING LOSS OF ENGINE POWER.MANY OF THE REPORTS ALSO INDICATED THAT THE INSTRUMENT CLUSTER TELLTALE LAMPS MOMENTARILY ILLUMINATED DURING THE EVENT. DCC'S ENGINEERING ANALYSIS DETERMINED THAT THE TIPM COULD INITIATE AN INTERNAL RESET CYCLE LASTING APPROXIMATELY 75 MS IN RESPONSE TO ERROR MESSAGES ON THE COMMUNICATION BUS.THE KEY ON SIGNAL FROM THE TIPM TO THE POWERTRAIN CONTROL MODULE (PCM) IS LOST DURING A TIPM RESET.IF THE PCM LOSES THE KEY ON SIGNAL FOR LONGER THAN 40 MS, IT INTERPRETS IT AS THE VEHICLE IGNITION BEING TURNED OFF AND BEGINS A POWER DOWN ROUTINE.AFTER THE TIPM RESET, THE KEY ON SIGNAL IS RESTORED AND THE PCM POWERS BACK UP.IF THE ROTATING COMPONENTS OF THE ENGINE CONTAIN SUFFICIENT INERTIA, THE VEHICLE MAY RESTART WITH NO INPUT FROM THE OPERATOR AS REPORTED IN SOME OF THE COMPLAINTS.IF THE ENGINE DOES NOT RESTART IN THIS MANNER, IT CAN BE RESTARTED BY THE OPERATOR.A REVISION TO THE TIPM SOFTWARE ON JANUARY 22, 2007 CHANGED THE TIPM RESET TIME TO 17 MS, REMOVING THE POTENTIAL FOR PCM POWER DOWN AND ENGINE STALL. ODI HAS RECEIVED 178 COMPLAINTS POTENTIALLY RELATED TO THE ALLEGED DEFECT IN MY 2007 JEEP WRANGLER VEHICLES AND 52 COMPLAINTS INVOLVING MY 2007 DODGE NITRO VEHICLES.TWO OF THE NITRO COMPLAINTS ALLEGE THAT A CRASH RESULTED FROM AN ENGINE STALL INCIDENT, ONE OF WHICH CAUSED MINOR INJURIES TO A PASSENGER.AS OF JUNE 1, 2007, DCC IDENTIFIED 151 WRANGLER COMPLAINTS AND 128 NITRO COMPLAINTS. THIS INVESTIGATION HAS BEEN CLOSED WITH DCC'S RECALL.