NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
25 reportsClear category filter110,000 miles · Aug 2, 2018
Electrical SystemEngineUnknown Or Other
PASSLOCK SYSTEM ENGAGES WITHOUT CAUSE. WHEN STARTING MY TRUCK, IT ACTS LIKE IT WILL AND THEN SHUTS DOWN AFTER A SECOND, AND THEN THE SECURITY LIGHT COMES ON. THIS IS COMMON WITH PAST LOCK SYSTEM ERRORS. THIS HAPPENS ABOUT 1 OUT OF 4 STARTS. TO GET THE CAR STARTED, I HAVE TO GO THROUGH A RESET PROCESS THAT TAKES OVER 30 MIN, WHIC…
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PASSLOCK SYSTEM ENGAGES WITHOUT CAUSE. WHEN STARTING MY TRUCK, IT ACTS LIKE IT WILL AND THEN SHUTS DOWN AFTER A SECOND, AND THEN THE SECURITY LIGHT COMES ON. THIS IS COMMON WITH PAST LOCK SYSTEM ERRORS. THIS HAPPENS ABOUT 1 OUT OF 4 STARTS. TO GET THE CAR STARTED, I HAVE TO GO THROUGH A RESET PROCESS THAT TAKES OVER 30 MIN, WHICH CAUSES BATTERY DRAIN. THIS HAS LEFT MYSELF AND FAMILY MEMBERS STRANDED IN UNSAFE SITUATIONS SEVERAL TIMES. MOST RECENTLY I WAS STUCK ON THE SIDE OF THE HIGHWAY, AFTER STOPPING TO CHANGE A FLAT AT 11PM. AFTER NOT STARTING WITH THESE SAME SYMTOMS, WHILE TRYING TO DO THE 30MIN. RELEARN PROCESS, THE BATTERY DID NOT HAVE ENOUGH TO START THE TRUCK. SO I WAS THEN STUCK THERE FOR 3 MORE HOURS WAITING ON A TOW TRUCK FOR A JUMP. I WAS STRANDED FOR OVER 3 1/2 HOURS. THIS ISSUE HAS BEEN HAPPENING FOR THE LAST 2 YEARS, AND HAVE SPENT ABOUT 4K DOLLARS TO TRY AND FIX IT.
NHTSA ODI #11115312
Mileage unknown · Jun 22, 2018
Electrical SystemEngineLatches/locks/linkagesFire
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500 (GMT800). WHILE THE VEHICLE WAS STATIONARY, AN ABNORMAL ODOR WAS DETECTED INSIDE THE CABIN. THE CONTACT ATTEMPTED TO OPEN THE HOOD, BUT THE LATCH FAILED TO RELEASE THE HOOD. ALSO, FLAMES WERE SEEN UNDERNEATH THE HOOD. THE CONTACT BELIEVED THE FIRE ORIGINATED FROM THE FUSE BOX,…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500 (GMT800). WHILE THE VEHICLE WAS STATIONARY, AN ABNORMAL ODOR WAS DETECTED INSIDE THE CABIN. THE CONTACT ATTEMPTED TO OPEN THE HOOD, BUT THE LATCH FAILED TO RELEASE THE HOOD. ALSO, FLAMES WERE SEEN UNDERNEATH THE HOOD. THE CONTACT BELIEVED THE FIRE ORIGINATED FROM THE FUSE BOX, WHICH BURNED THE ENGINE WIRE HARNESS. THE FIRE WAS EXTINGUISHED BY THE FIRE DEPARTMENT. A POLICE REPORT WAS FILED. THERE WERE NO INJURIES SUSTAINED. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE. THE VEHICLE WAS NOT DESTROYED. THE VEHICLE WAS NOT TAKEN TO A DEALER OR INDEPENDENT MECHANIC FOR DIAGNOSTIC TESTING OR REPAIR. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURES. THE FAILURE MILEAGE WAS UNKNOWN.
NHTSA ODI #11103443
Mileage unknown · Jul 17, 2017
Electrical System
THE CLICKER STOPPED WORKING SO WE BOUGHT A NEW BATTERY FOR IT. THE TRUCK STARTED RAN JUST FINE. SHUT THE TRUCK OFF AND TRIED STARTING IT AGAIN AND NOTHING. NOW ITS LIKE THE SECURITY SYSTEM ISN'T READING THE DRIVER DOOR. SO THE MORE WE TRY WE ARE FINDING THAT THIS TRUCK MUST OF BEEN REDONE SOMETIME. THE KEY DOESN'T UNLOCK THE DOO…
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THE CLICKER STOPPED WORKING SO WE BOUGHT A NEW BATTERY FOR IT. THE TRUCK STARTED RAN JUST FINE. SHUT THE TRUCK OFF AND TRIED STARTING IT AGAIN AND NOTHING. NOW ITS LIKE THE SECURITY SYSTEM ISN'T READING THE DRIVER DOOR. SO THE MORE WE TRY WE ARE FINDING THAT THIS TRUCK MUST OF BEEN REDONE SOMETIME. THE KEY DOESN'T UNLOCK THE DOOR. YOU MUST USE THE CLICKER.
NHTSA ODI #11005836
81,143 miles · Aug 24, 2015
Air BagsElectrical System
I HAD THE IGNITION SLEEVE REQUIRED IN RECALL DONE. NEVER HAD PROBLEMS WITH KEY BEFORE THAT. SINCE THEN, HAVE TROUBLE STARTING CAR; THE GARAGE REPLACED BATTERY (WAS 6 YRS. OLD) BECAUSE THEY COULD FIND NOTHING ELSE WRONG WITH THE CAR. STILL I HAVE DIFFICULTY STARTING THE CAR..........YESTERDAY IT TOOK 3 TRIES. I MOVED IN THE …
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I HAD THE IGNITION SLEEVE REQUIRED IN RECALL DONE. NEVER HAD PROBLEMS WITH KEY BEFORE THAT. SINCE THEN, HAVE TROUBLE STARTING CAR; THE GARAGE REPLACED BATTERY (WAS 6 YRS. OLD) BECAUSE THEY COULD FIND NOTHING ELSE WRONG WITH THE CAR. STILL I HAVE DIFFICULTY STARTING THE CAR..........YESTERDAY IT TOOK 3 TRIES. I MOVED IN THE INTERIM OF HAVING THIS DONE....SO GOING BACK TO SIMON CHEVROLET IN WOONSOCKET,RI IS OUT OF THE QUESTION. I CALLED SALVATORE CHEVROLET IN GARDNER, MA. AND THEY TOLD ME THERE WOULD BE A $200. CHARGE TO FIND OUT WHAT THE PROBLEM WAS. NEVER HAD PROBLEMS BEFORE AND THIS SHOULD NOT BE A CHARGED FOR ISSUE. ANY SUGGESTIONS? ALSO, THIS MORNING THE DIAMOND SHAPED BUTTON FOR THE WARNING LIGHTS BROKE OFF AND FELL INTO DASH......THE CAR IS SOUND AND I KEEP IT WELL KEPT UP. THESE ARE JUST FRUSTRATING ISSUES. PLEASE ADVISE. THANK YOU FOR THE TIME AND EFFORT PUT INTO THIS MATTER. SINCERELY....[XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10758760
138,000 miles · May 9, 2014
Electrical SystemVehicle Speed Control
REAR PASSENGER DOOR LOCKS WILL NOT OPERATE MAKING IT ALMOST IMPOSSIBLE TO EXIT THE VEHICLE QUICKLY INTHE EVENT OF AN EMERGENCY. THE STEERING IS VERY SLOPPY AT SPEEDS ABOVE 30 MPH. AT HIGHER SPEEDS THE VEHICLE WILL WONDER ALL OVER THE ROAD MAKING IT VERY HARD TO OPERATE SAFELY. *TR
NHTSA ODI #10587536
180,000 miles · Jan 3, 2014
Electrical SystemExterior LightingFuel System, Gasoline
AFTER FILLING UP MY TRUCK AND GOT SPEED UP TO ABOUT 65MPH MY GAS GAUGE WENT TO EMPTY AND THEN WOULD COME BACK UP AFTER HITTING A BUMP IN THE ROAD OR ROCKING THE TRUCK BACK AND FORTH , ALSO THE LIGHT ON THE GEAR SHIFT LEVER KEPT GOING OUT AND C…
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AFTER FILLING UP MY TRUCK AND GOT SPEED UP TO ABOUT 65MPH MY GAS GAUGE WENT TO EMPTY AND THEN WOULD COME BACK UP AFTER HITTING A BUMP IN THE ROAD OR ROCKING THE TRUCK BACK AND FORTH , ALSO THE LIGHT ON THE GEAR SHIFT LEVER KEPT GOING OUT AND COULDN'T TELL WHAT GEAR I WAS IN, COULD PECK ON CONSOLE AND LIGHT MIGHT COME BACK ON BUT STAYS OFF MOST OF THE TIME NOW. NOW THE FUEL GAUGE STILL ACTS UP AND IT DOES NOT GIVE AND ACCURATE READING.HAVE TO SET MY TRIP TIMER EACH TIME I FILLUP SO I WILL KNOW HOW MUCH GAS I HAVE UNLESS SOMEONE STEALS A LOT OF IT THEN I USUALLY RUN OUT OF GAS ALONG SIDE THE ROAD. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10558399
110,000 miles · Feb 11, 2012
Electrical SystemService Brakes, HydraulicVehicle Speed ControlCrash
I HAVE HAD NOTHING BUT TROUBLE WITH ROTTED ROTORS, PADS THAT DON'T WEAR RIGHT, BRAKE LINES THAT ROTTED AND RUSTED AWAY THAT THEY NEEDED TO BE ALL REPLACED IN JULY OF 2006. A SIX YEAR OLD MOTOR VEHICLE SHOULD NOT HAVE TO HAVE ALL THE LINES REPLACED. THE BILL WAS $1,200. NEXT A ABS FRONT WHEEL SENSOR RECALL WAS DONE AT BEST CHEVY…
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I HAVE HAD NOTHING BUT TROUBLE WITH ROTTED ROTORS, PADS THAT DON'T WEAR RIGHT, BRAKE LINES THAT ROTTED AND RUSTED AWAY THAT THEY NEEDED TO BE ALL REPLACED IN JULY OF 2006. A SIX YEAR OLD MOTOR VEHICLE SHOULD NOT HAVE TO HAVE ALL THE LINES REPLACED. THE BILL WAS $1,200. NEXT A ABS FRONT WHEEL SENSOR RECALL WAS DONE AT BEST CHEVY, HINGHAM, MASS. THE ABS LIGHTS CAME ON AND OFF AT THEIR OWN PACE. I HAD NEW FRONT BEARINGS INSTALLED, HAD MY MECHANIC CHECK FOR CODES. NOTHING. THE BRAKES JUST NEVER FELT RIGHT SOMETIMES. I WORKED AS A AUTO MECHANIC FOR NEARLY 25 YEARS, NEVER SEEN ANYTHING LIKE THIS BRAKE PROBLEM. BY THE WAY I TOOK GOOD CARE OF MY VEHICLE, GM MUST OF USED SUB STANDARD BRAKE TUBING, NEVER SEEN ANYTHING SO DECAYED AFTER 6 YEARS. ON APRIL 29, 2011 I WAS DRIVING HOME AND HAD STOPPED AT A TRAFFIC LIGHT ABOUT 1/4 MILE FROM MY HOME. THE LIGHT TURNED GREEN, I ACCELERATED UP TO ABOUT 30 MPH AND WITHIN A FEW HUNDRED FEET THE ABS LIGHT CAME ON. HERE WE GO AGAIN. AS I NEARED THE ENTRANCE TO MY STREET SOME 300 FEET AWAY , I TOOK MY FOOT OF THE GAS AND THE TRUCK BEGAN TO SLOW. AT ABOUT 200 FEET I BEGAN TO DEPRESS THE BRAKE PEDAL, IT SEEMED OK BUT AS I GOT NEARER TO THE STREET I FOUND MYSELF NEEDING TO PUSH DOWN MORE AND MORE. I WAS AT 15 MPH AND READY TO BEGIN MY TURN AND FELT SOMETHING WAS WRONG. MY LEFT FRONT TIRE HAD BEGUN TO LIGHTLY SKID. THE PEDAL WENT TO THE FLOOR, WAS DOWN AT ABOUT 10 MPH AND BEFORE I COULD GET MY LEFT FOOT ONTO THE EMERGENCY BRAKE AND APPLY IT, THE LEFT SIDE FRONT OF TRUCK STRUCK A TREE. THE ROAD IS A PRIVATE WAY AND VERY NARROW THERE. NO AIR BAG DEPLOYMENT, DIDN'T DAMAGE THE TRUCK TOO MUCH BUT IT HIT RIGHT ON THE TOW HOOK AND KINKED THE FRAME. I HAD MY MECHANIC BRING HIS ANALYZER TO MY HOME AND IT INFORMED HIM THAT THE CONTROL MODULE HAD FAILED. I'VE SPENT GOOD MONEY AFTER BAD ON THOSE BRAKES AND I DEMAND THE NHTSA DO SOMETHING. *TR
NHTSA ODI #10447520
160,000 miles · Sep 3, 2011
Electrical System
PASSLOCK II SYSTEM IF FAULTY, LEADING TO HAVING THE OCCUPANTS OF THE VEHICLE STRANDED FOR 10 MINUTES TO HOURS WAITING FOR THE SYSTEM TO RESET ITSELF. SYSTEM MISREADS THE KEY'S RESISTANCE VALUE AND DISABLES THE FUEL FOR A PERIOD OF TIME, FREQUENTLY OVER AN HOUR. MY SYSTEM FAULTS MORE FREQUENTLY IN HOT, HUMID WEATHER, LEADING ME …
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PASSLOCK II SYSTEM IF FAULTY, LEADING TO HAVING THE OCCUPANTS OF THE VEHICLE STRANDED FOR 10 MINUTES TO HOURS WAITING FOR THE SYSTEM TO RESET ITSELF. SYSTEM MISREADS THE KEY'S RESISTANCE VALUE AND DISABLES THE FUEL FOR A PERIOD OF TIME, FREQUENTLY OVER AN HOUR. MY SYSTEM FAULTS MORE FREQUENTLY IN HOT, HUMID WEATHER, LEADING ME TO BELIEVE THE MOISTURE FROM THE HUMIDITY IS LOWERING THE OHMS CAUSING A MISREAD OF THE FACTORY KEY. I HAVE NO AFTERMARKET WIRING, ALARMS, STEREO, REMOTE STARTS ETC. I ALSO USE THE SINGLE KEY WITH NOTHING ATTACHED TO THE RING THAT WOULD BEAR ADDITIONAL WEIGHT TO THE KEY IN THE CYLINDER. *TR
NHTSA ODI #10423194
115,000 miles · Jan 19, 2011
Electrical System
DASH LIGHTS (4W/DRIVE,CRUISE,BRIGHTLIGHTS)STAY ON,GAUGES DO NOT WORK RIGHT. WAS TOLD WIRING HARNESS HAS SHORT IN IT,NEEDS REPLACED. *TR
NHTSA ODI #10377930
70,000 miles · Jan 14, 2011
Electrical System
TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT INSTRUMENT PANEL GAUGES WOULD FAIL SPORADICALLY. THE GAUGES WOULD FLUCTUATE TO THE LEFT SIMULTANEOUSLY INDICATING THAT THE FUEL TANK WAS LOW, THE ENGINE WAS RUNNING HOT AND SO FORTH. THE VEHICLE HAD BEEN TAKEN TO THE DEALER SEVERAL TIMES BUT NEVER AT T…
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TL* THE CONTACT OWNS A 1999 CHEVROLET SILVERADO 1500. THE CONTACT STATED THAT INSTRUMENT PANEL GAUGES WOULD FAIL SPORADICALLY. THE GAUGES WOULD FLUCTUATE TO THE LEFT SIMULTANEOUSLY INDICATING THAT THE FUEL TANK WAS LOW, THE ENGINE WAS RUNNING HOT AND SO FORTH. THE VEHICLE HAD BEEN TAKEN TO THE DEALER SEVERAL TIMES BUT NEVER AT THE TIME WHEN THE FAILURE WAS ACTUALLY OCCURRING SO THE DEALER WAS UNABLE TO DIAGNOSE THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE CONTACT EXPRESSED THAT HE DID NOT FEEL SAFE DRIVING THE VEHICLE. THE FAILURE MILEAGE WAS 70,000 AND THE CURRENT MILEAGE WAS 100,000. UPDATED 5/9/11 *CN UPDATED 05/16/11
NHTSA ODI #10376634
NHTSA investigations
2EA04011 · Parking Brake Failure
Opened Apr 9, 2004 · Closed May 10, 2005
Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical; Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Additional source detail variants (4)
Parking Brake:conventional
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake:conventional:mechanical:linkage And Cable
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
Parking Brake
IN A LETTER DATED APRIL 20, 2005, GM NOTIFIED NHTSA THAT IT HAD DECIDED THAT DEFECTS THAT RELATE TO MOTOR VEHICLE SAFETY EXIST IN CERTAIN MODEL YEAR (MY) 1999-2002 C/K 1500 SERIES (PBR PARKING BRAKE SYSTEM) AND MY 2001-2005 C/K 2500 AND 3500 SERIES (TRW PARKING BRAKE SYSTEM) PICKUPS WITH MANUAL TRANSMISSIONS.ACCORDING TO GM, SOME OF THESE VEHICLES MAY HAVE CONDITIONS THAT CAUSE THE FRICTION LININGS TO WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.GM'S ACTION COVERS AN ESTIMATED TOTAL OF 142,585 VEHICLES.DEALERS WILL INSTALL A LOW-FORCE SPRING CLIP RETAINER FOR VEHICLES EQUIPPED WITH THE PBR PARKING BRAKE SYSTEM AND INSTALL A REDESIGNED PARKING BRAKE CABLE ASSEMBLY ON VEHICLES EQUIPPED WITH THE TRW PARKING BRAKE SYSTEM. A TOTAL OF 58 NON-DUPLICATIVE COMPLAINTS WERE RECEIVED BY ODI AND GM CONCERNING THE APPROXIMATELY 59,000 MY 1999-2002 C/K 1500 SERIES PICKUP TRUCKS WITH THE PBR PARKING BRAKE SYSTEM.THESE INCLUDED 22 ALLEGED ROLLAWAY INCIDENTS, RESULTING IN A RATE OF 38.5 ROLLAWAY INCIDENTS PER 100,000 VEHICLES.ODI IS AWARE OF 24 COMPLAINTS REGARDING THE MY 2001-2005 C/K 2500 AND 3500 SERIES MANUAL TRANSMISSION TRUCKS RECALLED BY GM, INCLUDING 5 ALLEGING ROLLAWAY INCIDENTS.THOUGH THE CONDITIONS DESCRIBED IN GM'S LETTER ARE ALSO PRESENT IN THE C/K TRUCKS WITH AUTOMATIC TRANSMISSIONS, THE ROLLAWAY RATE IN THOSE VEHICLES WAS SIMILAR TO THOSE OBSERVED IN PEER VEHICLES STUDIED BY ODI IN THIS INVESTIGATION.THIS ENGINEERING ANALYSIS IS CLOSED. FOR ADDITIONAL INFORMATION, SEE THE ATTACHED CLOSING REPORT.
PE03057 · Parking Brake Failure
Opened Dec 8, 2003 · Closed Apr 9, 2004
Status: closed (inferred from source dates) · Parking Brake
ODI OPENED PE03-057 TO ASSESS PARKING BRAKE INEFFECTIVENESS IN THE SUBJECT VEHICLES.THESE VEHICLES ARE EQUIPPED WITH FOUR WHEEL DISC BRAKES THAT INCORPORATE A SINGLE-SHOE DRUM-IN-HAT PARKING BRAKE INDEPENDENT OF THE SERVICE BRAKES.COMPLAINT AND WARRANTY DATA INDICATE THAT THE PARKING BRAKE LININGS TEND TO WEAR OUT EARLY IN THE LIFE OF THE VEHICLE (AT AN AVERAGE OF 24 MONTHS IN SERVICE), REDUCING THE PARKING BRAKE SYSTEM'S TORQUE BELOW THAT NEEDED TO IMMOBILIZE THE VEHICLE.GM HAS ATTRIBUTED THIS ACCELERATED WEAR TO FOREIGN MATERIAL INTRUSION AND A FAILURE OF THE BRAKE SHOE TO PROPERLY SELF-CENTER WITHIN ITS BRAKE DRUM.EFFECTIVE WITH THE START OF MY 2003 PRODUCTION, A NEWER REDUCED FORCE HOLD-DOWN CLIP WAS INTRODUCED TO FACILITATE BRAKE SHOE DISENGAGEMENT FROM THE DRUM SURFACE.THIS PART IS ALSO AVAILABLE AT THE SERVICE LEVEL FOR THE MY 1999-2002 VEHICLES.GM HAS INDICATED THAT THE PAKING BRAKE IS INTENDED TO OPERATE IN CONJUNCTION WITH THE TRANSMISSION TO IMMOBILZE PARKED VEHICLES, AND THAT IN MANY CASES, ACCELERATED PARKING BRAKE LINING WEAR IS CAUSED BY ROUGH USE, VEHICLE MODIFICATIONS, AND DRIVING WITH THE PARKING ENGAGED. ODI HAS UPGRADED THE PRELIMINARY EVALUATION TO AN ENGINEERING ANALYSIS TO GATHER FURTHER INFORMATION CONCERNING PARKING BRAKE USAGE FACTORS AND THE CIRCUMSTANCES SURROUNDING THE SEVENTEEN REPORTED VEHICLE CRASHES.