NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
145 reportsClear category filter75,234 miles · Feb 3, 2013
Electrical System
2004 CHEVROLET TRAILBLAZER EXT WITH 76,500 MILES ON IT. WHILE DRIVING TO WORK I NOTICED THE OIL PRESSURE GAUGE WAS READING MAXIMUM. I IMMEDIATELY PULLED OVER IN THE DARK ON A BUSY HWY TO CHECK OIL AND IT WAS FULL. THEN APPROX 2 WEEKS LATER THE OIL PRESSURE GAUGE IS POINTING DOWN AND STAYS THERE. NOW THE SPEEDOMETER IS READING 80…
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2004 CHEVROLET TRAILBLAZER EXT WITH 76,500 MILES ON IT. WHILE DRIVING TO WORK I NOTICED THE OIL PRESSURE GAUGE WAS READING MAXIMUM. I IMMEDIATELY PULLED OVER IN THE DARK ON A BUSY HWY TO CHECK OIL AND IT WAS FULL. THEN APPROX 2 WEEKS LATER THE OIL PRESSURE GAUGE IS POINTING DOWN AND STAYS THERE. NOW THE SPEEDOMETER IS READING 80 MPH EVEN WHEN STOPPED. THIS IS A HUGE SAFETY ISSUE. I HAVE SERIOUS DOUBTS AS TO WHETHER THE GAS AND WATER TEMP GAUGE IS READING CORRECTLY. THERE ARE NUMEROUS COMPLAINTS ALREADY FILED ABOUT THIS MODEL AND MANY OTHER CHEVROLET MODELS. RECALLS HAVE BEEN MADE ON SOME MODELS FOR THIS PROBLEM, BUT NOT THIS ONE. CHEVROLET NEEDS TO RECALL THIS MODEL ASAP AND CORRECT THE INFAMOUS PROBLEM THAT THEY ARE WELL AWARE OF. THIS IS A VERY COSTLY REPAIR AND ONE THAT THE CONSUMER SHOULD NOT HAVE TO PAY FOR. *TR
NHTSA ODI #10496229
120,000 miles · Sep 26, 2012
Electrical SystemExterior LightingVehicle Speed Control
ALL GAUGES ON CONTROL PANEL NOT WORKING, BUT ALL SERVICE LIGHTS COME ON CHECK ENGINE, ABS SEAT BELT, REDUCE POWER, BATTERY LIGHTS. SPEED AND FUEL ARE IMPOSSIBLE TO KNOW AS WELL AS WARNINGS TO OBSERVE FROM LIGHTS. 2004 CHEVROLET TRAILBLAZER, SPEEDOMETER WILL SHOW A FASTER SPEED THAN YOU MOVING OR WILL GO TO 0 WHILE ON THE FREE…
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ALL GAUGES ON CONTROL PANEL NOT WORKING, BUT ALL SERVICE LIGHTS COME ON CHECK ENGINE, ABS SEAT BELT, REDUCE POWER, BATTERY LIGHTS. SPEED AND FUEL ARE IMPOSSIBLE TO KNOW AS WELL AS WARNINGS TO OBSERVE FROM LIGHTS. 2004 CHEVROLET TRAILBLAZER, SPEEDOMETER WILL SHOW A FASTER SPEED THAN YOU MOVING OR WILL GO TO 0 WHILE ON THE FREEWAY. THE TACH HAS THE SAME PROBLEM. THIS IS A SERIOUS SAFETY ISSUE AND IT SHOULD BE RECALLED NOW. I HEARD THAT THEY HAD THE SAME ISSUE ON PICK-UPS AND THEY WERE RECALLED. MOST INSTRUMENT BACKLIGHTS HAVE BURNED OUT PREVENTING THE SPEEDOMETER AND OTHER GAUGES FROM BEING SEEN AT NIGHT. VERY DANGEROUS. QUICK SEARCH ON INTERNET RESULTS IN A SEVERE EPIDEMIC OF THIS PROBLEM WITH ALL GM SUV'S. A CLASS ACTION LAWSUIT RESULTED IN A NATIONWIDE RECALL FOR THIS PROBLEM FOR ALL SIMILAR VEHICLES BUT NOT THE CHEVY TRAILBLAZER OR GMC ENVOY. THIS SEEMS TO BE A CRIMINAL ACT BY GM. SOMETHING NEEDS TO BE DONE TO PROTECT OWNERS OF THESE VEHICLES. DRIVING DOWN HIGHWAY HEADLIGHTS GO OUT..WHILE DRIVING AT NIGHT THE LOW BEAM LIGHTS WENT OUT, I HAD TO DRIVE HOME WITH HIGH BEAMS ON, HTTP://WWW.ABOUTAUTOMOBILE.COM/COMPLAINT/2004/CHEVROLET/TRAILBLAZER/ELECTRICAL+SYSTEM CHECK OUT ALL THESE OTHER COMPLAINTS THERE ARE HUNDREDS OF THEM AND I AM ONE OF MANY. THIS IS SO DANGEROUS AND A SAFETY HAZARD TO OTHERS AS WELL, PLEASE GET US A RECALL ON THESE CARS THE EXPENSES ARE TREMENDOUS. *TR
NHTSA ODI #10477097
61,384 miles · Sep 7, 2012
Electrical System
THE SPEEDOMETER STARTED TO MALFUNCTION WHILE DRIVING 40 MPH NORTH BOUND ON DAVIS BLVD. THE SPEEDOMETER WAS READING 80 MPH THEN WHEN STOPPED IT WAS STILL READING 80 MPH. IT THEN MOVED PAST THE GAUGE NOT ALLOWING TO KNOW MY ACTUAL SPEED. THIS TO ME IS A CAR SAFETY ISSUE BECAUSE WE NEVER KNOW HOW FAST WE ARE GOING. THE GAS GAUG…
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THE SPEEDOMETER STARTED TO MALFUNCTION WHILE DRIVING 40 MPH NORTH BOUND ON DAVIS BLVD. THE SPEEDOMETER WAS READING 80 MPH THEN WHEN STOPPED IT WAS STILL READING 80 MPH. IT THEN MOVED PAST THE GAUGE NOT ALLOWING TO KNOW MY ACTUAL SPEED. THIS TO ME IS A CAR SAFETY ISSUE BECAUSE WE NEVER KNOW HOW FAST WE ARE GOING. THE GAS GAUGE HAS BEEN MALFUNCTIONING FOR MORE THAT 24 MONTHS. THE CAUTION LIGHT (YELLOW) TURNS ON WHEN YOU NEED TO FILL THE TANK SO WE HAVE BEEN USING THIS LIGHT TO FILL THE CAR WITH GAS. THE GAUGE NEEDS TO BE REPAIRED. SINCE THE CAR IS NOT ABUSED WE FILL THIS IS SOMETHING WHICH SHOULD HAVE LASTED THE REGULAR 100,000 MILES BEFORE THERE WAS A PROBLEM. THE WARRANTY PERIOD IS OVER. FROM TALKING TO OTHER USERS AND REPEATED SEARCHES ONLINE IT SEEM TO BE A REGULAR FAILURE ITEM. I BELIEVE IT SHOULD BE REPAIRED BY GENERAL MOTORS CORPORATION. MANY DRIVERS HAVE HAD TO SPEND LOTS OF MONEY TO HAVE THIS ITEM FIXED IN LESS THAN AVERAGE MEAN TIMES BETWEEN FAILURE OF (100,000 MILES). *TR
NHTSA ODI #10474259
Mileage unknown · Jul 11, 2012
Electrical System
THE ELECTRICAL SYSTEM ON MY 2004 TRAILBLAZER EXT IS NOT OPERATING PROPERLY. THE TACHOMETER DOESN'T REGISTER, NOR DOES THE BATTERY GAUGE AND UNCERTAIN IF THE READING ON THE OIL GAUGE IS ACCURATE. THE FUEL GAUGE IS NOT OPERABLE, THE NEEDLE IS EITHER PASS E(EMPTY) OR PASS F (FULL), I'M CONSTANTLY RE-FUELING FOR FEAR OF RUNNING OUT …
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THE ELECTRICAL SYSTEM ON MY 2004 TRAILBLAZER EXT IS NOT OPERATING PROPERLY. THE TACHOMETER DOESN'T REGISTER, NOR DOES THE BATTERY GAUGE AND UNCERTAIN IF THE READING ON THE OIL GAUGE IS ACCURATE. THE FUEL GAUGE IS NOT OPERABLE, THE NEEDLE IS EITHER PASS E(EMPTY) OR PASS F (FULL), I'M CONSTANTLY RE-FUELING FOR FEAR OF RUNNING OUT OF GAS. WHEN FIRST STARTING THE ENGINE, THE SPEED INDICATOR MIGHT REGISTER CORRECTLY, BUT THEN IT FALLS BELOW 0 MPH WHILE TRAVELING SPEEDS OF 35 TO 55 MPH AND OTHER TIMES IT MAY INDICATE SPEEDS IN EXCESS OF 100 MPH. PROBLEMS WITH THE SPEEDOMETER FIRST STARTED IN JUNE 2012 , I USED A GPS TO KEEP TRACK OF TRAVELING SPEED. AFTERWARDS, THE OTHER GAUGES STARTED TO MALFUNCTION. NO PARTS HAVE BEEN REPAIRED OR REPLACED.VERY CONCERNED ABOUT SAFETY ISSUES, AS I OCCASIONALLY TRANSPORT MY GRANDCHILDREN TO APPOINTMENTS. HAS CHEVROLET MADE ANY AMENDMENTS TO CORRECT THESE PROBLEMS? ASSISTANCE NEEDED PLEASE. *TR
NHTSA ODI #10465250
146,000 miles · Mar 7, 2012
Electrical SystemEngine And Engine CoolingPower Train
CAR FELT "STUCK" IN GEAR, WOULDN'T ACCELERATE, LOW ON TRANSMISSION FLUID. ADDED MORE FLUID, REPLACED SPEED SENSOR, CAMSHAFT & CRANKSHAFT SENSORS. STILL HAVING ISSUES WITH RPMS GOING HIGH, CAR SLAMMING FROM ONE GEAR INTO ANOTHER. ALSO CANNOT RUN HEAT WHILE DRIVING, FAN DRAWS POWER & CAUSES ENGINE TO STALL OUT. CAR ALSO BURNING TH…
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CAR FELT "STUCK" IN GEAR, WOULDN'T ACCELERATE, LOW ON TRANSMISSION FLUID. ADDED MORE FLUID, REPLACED SPEED SENSOR, CAMSHAFT & CRANKSHAFT SENSORS. STILL HAVING ISSUES WITH RPMS GOING HIGH, CAR SLAMMING FROM ONE GEAR INTO ANOTHER. ALSO CANNOT RUN HEAT WHILE DRIVING, FAN DRAWS POWER & CAUSES ENGINE TO STALL OUT. CAR ALSO BURNING THROUGH GAS VERY QUICKLY. *TR
NHTSA ODI #10450579
70,000 miles · Feb 14, 2012
Electrical System
FUEL GAUGE STAYS ON EMPTY AND OIL TEMPERATURE GAUGE STAYS AT 260 DEGREES. THE SPEEDOMETER STICKS AND RESETS INCORRECTLY AT RANDOM INTERVALS. *TR
NHTSA ODI #10447878
43,400 miles · Jan 9, 2012
Electrical System
VEHICLE WAS BEING DRIVEN WHEN ALL DASH GAUGES FAILED. PARTICULARLY CONCERNING WAS THE FAILURE OF THE SPEEDOMETER. GM HAS ADMITTED THAT OTHER VEHICLES HAVE HAD THIS PROBLEM AND HAVE PAID FOR AND INSTALLED REPLACEMENT DASH CLUSTERS ON SOME MODELS. THE 2004 TRAILBLAZER IS NOT COVERED AS THERE HAS NOT BEEN ENOUGH OCCURRENCES OF I…
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VEHICLE WAS BEING DRIVEN WHEN ALL DASH GAUGES FAILED. PARTICULARLY CONCERNING WAS THE FAILURE OF THE SPEEDOMETER. GM HAS ADMITTED THAT OTHER VEHICLES HAVE HAD THIS PROBLEM AND HAVE PAID FOR AND INSTALLED REPLACEMENT DASH CLUSTERS ON SOME MODELS. THE 2004 TRAILBLAZER IS NOT COVERED AS THERE HAS NOT BEEN ENOUGH OCCURRENCES OF INSTRUMENT CLUSTER FAILURE REPORTED. *TR
NHTSA ODI #10443239
56,500 miles · Aug 29, 2011
Electrical System
THE SPEEDOMETER IS NOT REGISTERING THE CORRECT SPEED, JUMPS AROUND WHILE DRIVING AND HAS AFFECTED THE CRUISE CONTROL. I FOUND THAT THIS ISSUE IS THE SAME AS NHTSA ITEM # 10023585 FOR MOST SIMILAR GM VEHICLES, BUT FOR SOME REASON, THIS FAMILY OF GM TRUCKS WAS NOT INCLUDED IN THE REPORTED ISSUE. WHEN THE VEHICLE IS STOPPED, THE S…
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THE SPEEDOMETER IS NOT REGISTERING THE CORRECT SPEED, JUMPS AROUND WHILE DRIVING AND HAS AFFECTED THE CRUISE CONTROL. I FOUND THAT THIS ISSUE IS THE SAME AS NHTSA ITEM # 10023585 FOR MOST SIMILAR GM VEHICLES, BUT FOR SOME REASON, THIS FAMILY OF GM TRUCKS WAS NOT INCLUDED IN THE REPORTED ISSUE. WHEN THE VEHICLE IS STOPPED, THE SPEEDOMETER NEEDLE DROPS WELL BELOW 0 AND THEN JUMPS AROUND WHEN THE VEHICLE STARTS MOVING. BASED ON CHECKS WITH OUR GPS, THE SPEEDOMETER IS OFF BY AS MUCH AS 20 MPH. *TR
NHTSA ODI #10422456
75,000 miles · Aug 13, 2011
Electrical SystemEngine And Engine CoolingFire
THIS VEHICLE HAD BEEN PARKED IN THE DRIVEWAY FROM 7:45 PM, (AUGUST 10, 2011). I WAS AWAKENED AT APPROX. 3:55 AM ON 8-10-2011 BY HEARING A MUFFLED BOOM. AT 4:00 AM (AUG. 11, 2011) I HEARD A LOUD BANG TYPE NOISE. I IMMEDIATELY GOT UP AND WENT TO INVESTIGATE. I WENT OUTSIDE AND FOUND MY 2004 TRAILBLAZER (EXT) ON FIRE FROM TH…
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THIS VEHICLE HAD BEEN PARKED IN THE DRIVEWAY FROM 7:45 PM, (AUGUST 10, 2011). I WAS AWAKENED AT APPROX. 3:55 AM ON 8-10-2011 BY HEARING A MUFFLED BOOM. AT 4:00 AM (AUG. 11, 2011) I HEARD A LOUD BANG TYPE NOISE. I IMMEDIATELY GOT UP AND WENT TO INVESTIGATE. I WENT OUTSIDE AND FOUND MY 2004 TRAILBLAZER (EXT) ON FIRE FROM THE ENGINE BAY AND JUST BEGINNING TO FLAME INSIDE THE VEHICLE'S PASSENGER COMPARTMENT AT THE DASHBOARD..IT ONLY TOOK MINUTES BEFORE THE VEHICLE WAS FULLY INVOLVED. THE FIRE BEGAN IN THE ENGINE BAY. THE FIRE MARSHALL REPORT IS STILL PENDING AND I WAS INFORMED IT WOULD TAKE 6 TO 8 WEEKS BEFORE IT WAS AVAILABLE. APPROX. TWO TO THREE MONTHS PRIOR, I TOOK THE VEHICLE TO A REPAIR GARAGE TO FIX THE LOW BEAM HEADLIGHTS (THEY HAD FAILED AND CHANGING THE BULBS WAS NO HELP. IT TURNED OUT THAT IT WAS A FAILED RELAY, WHICH WAS REPLACED. IT WAS A COUPLE OF WEEKS LATER THAT I HAD TO REPLACE THE VEHICLE'S BATTERY AS IT HAD GONE DEAD AND WOULD NOT TAKE A CHARGE. THE OLD BATTERY WAS ABOUT THREE YEARS OLD. THERE WERE NO OTHER BATTERY/HEADLIGHT ISSUES AFTER THESE REPAIRS. NO TOOLS OR OTHER PARTS WERE DROPPED INTO THE ENGINE BAY, OR LEFT IN THE BAY. I WAS AN AIRCRAFT MECHANIC AND OLD HABITS OF KEEPING RACK OF MY TOOLS NEVER DIE AND ALL TOOLS USED WERE ACCOUNTED FOR. THE ROADS WERE DRY WHERE IT WAS DRIVEN THERE WAS NO RAIN AT THE HOUSE ALL NIGHT. I REPORTED THIS TO CHEVROLET THAT DAY. AS A RESULT OF THE FIRE, THE EAVES OF THE HOUSE OVER THE GARAGE CAUGHT FIRE, MY WIFE, SON AND MYSELF HAD MINOR CARBON MONOXIDE POISONING, MY WORK TRUCK WAS DAMAGED BY THE HEAT OF THE FIRE, SO I CANNOT WORK (SELF EMPLOYED) UNTIL I GET A REPLACEMENT (NO RENTAL COMPANY WILL LET ME USE A TRUCK TO WORK FROM AS I NEED TO CARRY LARGE QUANTITIES OF CHLORINE IN MY PRESSURE CLEANING BUSINESS. THERE HAVE BEEN NO OTHER PROBLEMS OF THIS KIND BEFORE WITH THIS VEHICLE. *TR
NHTSA ODI #10419294
Mileage unknown · Aug 2, 2011
Electrical SystemExterior Lighting
THE RPM GAUGE, BATTERY GAUGE AND THE FUEL GAUGE STOPPED WORKING. FIRST THE RPM GAUGE STOPPED AND THEN ABOUT A YEAR LATER THE BATTERY GAUGE STOPPED AND LAST WAS THE FUEL GAUGE THAT STOPPED. THE FUEL GAUGE STOPPED WORKING JUST A COUPLE OF WEEKS AFTER THE BATTERY GAUGE. I AM ALSO HAVING PROBLEMS WITH THE DAYTIME RUNNING LIGHTS N…
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THE RPM GAUGE, BATTERY GAUGE AND THE FUEL GAUGE STOPPED WORKING. FIRST THE RPM GAUGE STOPPED AND THEN ABOUT A YEAR LATER THE BATTERY GAUGE STOPPED AND LAST WAS THE FUEL GAUGE THAT STOPPED. THE FUEL GAUGE STOPPED WORKING JUST A COUPLE OF WEEKS AFTER THE BATTERY GAUGE. I AM ALSO HAVING PROBLEMS WITH THE DAYTIME RUNNING LIGHTS NOT STAYING ON PERIODICALLY. THE DAYTIME RUNNING LIGHTS WILL GO OUT ABOUT TWICE A YEAR AND MAINLY AT NIGHT. *KB
NHTSA ODI #10416644
NHTSA investigations
3RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
EA07009 · Fuel Pump Module Leaks Gasoline
Opened Jul 10, 2007 · Closed Aug 28, 2008
Status: closed (inferred from source dates) · Fuel System, Gasoline:delivery:fuel Pump
DURING THE COURSE OF THIS EA INVESTIGATION, ODI OBSERVED THAT THE MAJORITY OF THE COMPLAINTS (88%) AND WARRANTY CLAIMS (94%) WERE REPORTED FOR VEHICLES THAT ARE REGISTERED FOR USE IN THE SALT BELT REGION OF THE US.THIS AREA INCLUDES 20 STATES IN THE NORTHEAST, MID ATLANTIC AND THE MIDWEST REGIONS AND THE DISTRICT OF COLUMBIA.CONSUMERS IN THE SALT BELT REGION REPORTED TO ODI THAT THEY COULD SMELL FUEL VAPORS IN THEIR VEHICLES WHILE DRIVING.UPON FURTHER EXAMINATION OF THEIR VEHICLES, THEY DISCOVERED THAT FUEL VAPORS WERE COMING OUT OF THE TOP OF THE FUEL TANK. THIS CONDITION IS CAUSED BY CORROSION OF THE RETURN AND SENDER LINES OF THE FUEL PUMP MODULE.WATER AND ROAD SALT COLLECT ON TOP OF THE FUEL PUMP LEADING TO SMALL PINHOLES APPEARING ON THE FUEL LINES.FUEL MAY LEAK AND COLLECT ON TOP OF THE MODULE AND/OR SPILL ONTO THE GROUND.THE DATA EVALUATED UNDER THIS INVESTIGATION REFLECT A RELATIVELY LOW FREQUENCY OF OCCURRENCE THAT LARGELY ARISES IN SALT BELT STATES.GM HAS EXTENDED THE WARRANTY ON THE SUBJECT COMPONENT TO TEN YEARS OR 120,000 MILES.FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED AT THIS TIME; ACCORDINGLY, THIS INVESTIGATION IS CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT NO SAFETY-RELATED DEFECT EXISTS.THE AGENCY RESERVES THE RIGHT TO TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.FOR ADDITIONAL INFORMATION SELECT DOCUMENT SEARCH.
EA04021 · Brake Lamp Failure
Opened Aug 3, 2004 · Closed Nov 4, 2004
Status: closed (inferred from source dates) · Exterior Lighting:brake Lights
GM STATES THAT SOME BRAKE/TAIL LAMP BULBS CAN PREMATURELY BECOME INOPERATIVE DUE TO MALFUNCTIONING BRAKE/TAIL LAMP SOCKETS.ON MARCH 2, 2004, GM INITIATED A 6-YEAR/72,000 MILE SPECIAL POLICY FOR 989,487 SUBJECT VEHICLES TO INSPECT AND REPLACE THE REAR BRAKE/TAIL LAMP BULB SOCKET ASSEMBLIES.ON APRIL 4, 2004, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION (PE04-032) BASED ON CONSUMER COMPLAINTS ALLEGING BRAKE LIGHTS NOT OPERATING WHEN THE BRAKE PEDAL IS DEPRESSED.ON AUGUST 3, 2004 ODI UPGRADED PE04-032 TO AN ENGINEERING ANALYSIS (EA04-021).BY LETTER DATED OCTOBER 27, 2004 GM NOTIFIED NHTSA THAT IT WILL CONDUCT A SAFETY RECALL (NHTSA # 04V527) COVERING SUBJECT VEHICLES THAT WERE NOT ALREADY REPAIRED UNDER GM'S SPECIAL POLICY.MY 2004 SUBJECT VEHICLES BUILT AFTER AUGUST 8, 2003 CONTAIN IMPROVED BRAKE LAMP ASSEMBLIES AND ARE NOT INCLUDED IN THE RECALL.GM DEALERS WILL INSTALL THE IMPROVED BRAKE LAMP ASSEMBLY ON SUBJECT VEHICLES BUILT ON AUGUST 8, 2003 AND EARLIER.THE ACTION TAKEN BY GM IS SUFFICIENT TO RESOLVE THE ISSUES RAISED BY THIS INVESTIGATION.ACCORDINGLY, THIS INVESTIGATION IS CLOSED.