IllustrationDT*: THE CONTACT STATED THE DRIVER SEAT BELT RETRACTS SLOWLY. THE VEHICLE WAS NOT TAKEN TO THE DEALER FOR INSPECTION AND REPAIR.
2004 Chevrolet Aveo
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2004 Chevrolet Aveo do not stand out strongly from the model-year median of 169.
About this comparison →How this year compares
Owner complaints by model year
Compare all Aveo years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
380–25K
2025–50K
5250–75K
2575–100K
22100–150K
3150K+
160 reports with mileage · 46 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 to inspect
Issues worth paying extra attention to based on owner reports.
- Engine And Engine Cooling. Review the 62 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 37 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Air Bags. Review the 23 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
23 crash reports9 fire reports17 injury reports
What owners actually said
206 reportsDT: THE CONTACT S TOOK VEHICLE TO DEALER FOR AN INSPECTION. THEY DETERMINED THAT BOTH INNER TIE ROD ENDS HAD EXCESSIVE PLAY. THIS, IN TURN, CAUSED TWO FRONT TIRES TO WEAR OUT. REPAIRS WILL BE MADE UNDER WARRANTY.*AK
SES LIGHT COMES ON NOT DESCRIBING THE PROBLEM. THE FUEL SYSTEM IS MALFUNCTIONING, GAS ESCAPES SOMEWHERE, NOT GETTING THE ACTUAL GAS MILEAGE FOR THE VEHICLE. FILL UP ON WED OF ONE WEEK, USE ONLY 34 MILES, MUST FILL UP BY TUESDAY OF NEXT WEEK, THE BRAKES MAKE LOUD NOISE LIKE BRAKES ARE GOING OUT, MORE OF STEEL RUBBING, PULLS EXCES…
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SES LIGHT COMES ON NOT DESCRIBING THE PROBLEM. THE FUEL SYSTEM IS MALFUNCTIONING, GAS ESCAPES SOMEWHERE, NOT GETTING THE ACTUAL GAS MILEAGE FOR THE VEHICLE. FILL UP ON WED OF ONE WEEK, USE ONLY 34 MILES, MUST FILL UP BY TUESDAY OF NEXT WEEK, THE BRAKES MAKE LOUD NOISE LIKE BRAKES ARE GOING OUT, MORE OF STEEL RUBBING, PULLS EXCESSIVELY TO THE RIGHT. TOOK VEHICLE IN FOR REPAIR ON THE BRAKES, WAS TOLD DUST WAS ON THE ROTORS, CLEANED OUT, PROBLEM STILL EXIST, NOW A BUCKLING IS FELT WHEN BRAKES ARE APPLIED. AS FOR THE GAS PROBLEM, CAR WAS LEFT OVERNIGHT, I TOLD THE DEALERSHIP, I DO NOT WANT MY CAR BACK UNTIL THEY FIND THE PROBLEM.. CHECK THE FUEL INJECTORS, THE GAS TANK, CHECK THE FUEL PUMP, CHECK ALL THE COMPONENTS OF THE GAS LINE.. I DO NOT SMELL GAS, THERE IS NO GAS ON THE GROUND. I HAVE A LOANER CAR FOR NOW. AS FOR THE SES LIGHT, I SHOULD DESCRIBE WHAT THE PROBLEM IS SO THAT THE DEALERSHIP SERVICE DEPT CAN GO STRAIGHT TO THE PROBLEM. THE CAR PULL EXCESSIVELY TO THE RIGHT AND LEFT, THIS TOO WILL BE CHECKED OUT BY THE DEALERSHIP. NO UPDATE RESOLUTION SO FAR. WILL KEEP YOU POSTED. THE CLOCK MALFUNCTIONED. A NEW CLOCK WAS REPLACED THE CAR WAS PURCHASED NEW, AUG 2003, WITH 6 MILES ON THE ODOMETER. TODAY, 2 YEARS, 2 MONTHS LATER, I HAVE 9766 MILES ON THE ODOMETER AND MY CAR HAS BEEN TO THE SERVICE DEPT 7 TIMES FOR MALFUNCTIONING PROBLEMS. *JB
DT: CONTACT OWNS A 2004 CHEVROLET AVEO . THE VEHICLE HAD A WHISTLING IN THE BRAKES. THEN THERE WAS NOISE IN THE IGNITION. THIS HAS BEEN GOING ON FOR AWHILE. EVERY TIME WHILE BACKING OUT FROM THE DRIVEWAY THERE WAS A SMALL NOISE. MANUFACTURER'S RECALL 04069. WAS ISSUED. AT THIS TIME CONSUMER'S VEHICLE WAS TAKEN TO THE DEA…
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DT: CONTACT OWNS A 2004 CHEVROLET AVEO . THE VEHICLE HAD A WHISTLING IN THE BRAKES. THEN THERE WAS NOISE IN THE IGNITION. THIS HAS BEEN GOING ON FOR AWHILE. EVERY TIME WHILE BACKING OUT FROM THE DRIVEWAY THERE WAS A SMALL NOISE. MANUFACTURER'S RECALL 04069. WAS ISSUED. AT THIS TIME CONSUMER'S VEHICLE WAS TAKEN TO THE DEALERSHIP FOR RECALL REPAIRS. THE NEXT PROBLEM CONCERNED TRANSMISSION FLUID BEING OVER FILLED WHICH COULD CAUSE A FIRE. THE TRANSMISSION AXLE WAS BEING CHECKED .*AK
CD PLAYER GETS TOO HOT. IT HAS MELTED A CD. I RUN IT FOR 15 MINUTES AND YOU CAN'T EVEN TOUCH THE FACE OF IT OR THE CD ITSELF. I'VE CONTACTED THE DEALERSHIP AND THEY SAY ITS NORMAL. I BELIEVE THAT WITH THE CLOCK, THE CD PLAYER, AND THE IGNITION (& KEY) GETTING PRETTY HOT THAT IT'S AN ELECTRICAL PROBLEM. *NM
THE LOCKS QUIT WORKING ON MY CAR. THEY WOULDN'T LOCK FROM THE INSIDE OR FROM THE TRANSMITTER. *NM
WHEN I FIRST RECEIVED MY 2004 CHEVY AVEO, THE CLOCK KEPT RESETTING. I HAVE TAKEN THE VEHICLE IN TO THE DEALERSHIP AND THERE IS NOTHING THEY COULD DO BECAUSE THE PROBLEM CANNOT BE "DUPLICATED". *NM
DT: CALLER SAYS THAT WHILE SHE LETS THE VEHICLE WARM UP IT MAKES A BOOM BOOM NOISE FROM THE FUEL LINE OR PUMP. CALLER SAYS IT WILL DO THIS UNTIL IT WARMS UP AND THEN IT STOPS. DEALER SAYS IT IS A CHARACTERISTIC OF THE CAR. MANUFACTURER SAID THE SAME THING. CALLER SAYS THE KEY GETS HOT WHILE IT THE IGNITION. *NM
DT: HAD AN ACCIDENT ; HEAD ON COLLISION AND HER AIR BAGS DID NOT DEPLOY AND THE SEAT BELT DID NOT LOCK. GM WAS NOTIFIED.
CONTACT STATES; THE BRAKES SQUEAL AND WHEN STOPPING THE BRAKES DON'T WORK. WHEN TAKING FOOT OFF THE BRAKES THE CAR JUMPS, FEELS LIKE THE BRAKES LOCK. THE CAR JUMPS UP ND DOWN. HAD VEHICLE IN THE SHOP AT 4 DIFFERENT TIMES FOR BRAKES PROBLEMS. HOWEVER, PROBLEM RECURRED. *AK
Official recalls
214V261000 · Exterior Lighting:headlights
May 19, 2014
General Motors is recalling certain model year 2004-2008 Chevrolet Aveo vehicles equipped with daytime running lights (DRL). In the affected vehicles, there may be heat generated within the DRL module located in the center console in the instrument panel, which could melt the DRL module.
Consequence & remedy
Consequence: If the DRL module melts due to the heat generation, it could cause a vehicle fire.
Remedy: GM will notify owners, and dealers will install a revised DRL module, inspect the wiring connector for heat damage, and clean the DRL circuit grounds. Owners were sent interim notices on August 14, 2014. The recall began on February 6, 2015. Owners may contact General Motors customer service at 1-800-222-1020 (Chevrolet). General Motors recall number for this campaign is 14236.
04V407000 · Seat Belts:rear/other
Aug 17, 2004
ON CERTAIN PASSENGER VEHICLES, THE REAR SAFETY BELT CAN BECOME TWISTED.
Consequence & remedy
Consequence: IF THIS OCCURS THE SAFETY BELT RETRACTOR MAY LOCK IN POSITION SO THAT THE BELT CANNOT BE USED. IN THE EVENT OF A VEHICLE CRASH, PERSONAL INJURY TO THE SEAT OCCUPANT COULD OCCUR.
Remedy: DEALERS WILL INSTALL A SAFETY BELT WEBBING GUIDE TO PREVENT THE BELT FROM TWISTING. THE RECALL BEGAN ON OCTOBER 15, 2004. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438. VEHICLE OWNERS LOCATED IN GUAM SHOULD CONTACT GM CUSTOMER ASSISTANCE AT 1-671-648-8453.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
2EA08005 · Stuck Throttle Valve
Opened Feb 14, 2008 · Closed Oct 14, 2008
Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
Vehicle Speed Control
TO DATE, THE OFFICE OF DEFECTS INVESTIGATION (ODI) IS AWARE OF 29 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 52 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 69 UNIQUE SUBJECT VEHICLES.BECAUSE THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING, ODI UPGRADED THIS INVESTIGATION TO AN ENGINEERING ANALYSIS ON FEBRUARY 14, 2008 SO THAT IT COULD CONTINUE TO MONITOR THE FIELD EXPERIENCE DURING THE 2007/2008 WINTER SEASON.BY LETTER DATED MAY 22, 2008, GENERAL MOTORS CORP. (GM) SUPPLEMENTED ITS PREVIOUS INFORMATION REQUEST RESPONSE WITH FIELD DATA RECEIVED BY GM THROUGH MAY 1, 2008.ACCORDING TO GM, WHEN MOISTURE FREEZES IN THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM AND/OR THE ENGINE AIR INTAKE TRACT IT IS MOST OFTEN OBSERVED AS A HARD TO START/NO START CONDITION, THROTTLE STUCK CLOSED, ROUGH RUNNING ENGINE, STALLING AT IDLE, OR OIL LEAKAGE.OF THE 29 COMPLAINTS RELATED TO STUCK THROTTLE, ODI IDENTIFIED 5 REPORTS THAT ALLEGE UNWANTED ACCELERATION, 13 REPORTS DESCRIBE AN APPARENT HIGH-IDLE CONDITION AT START UP OR WHEN SLOWING THE VEHICLE TO A STOP WITHOUT ANY ALLEGATION OF UNWANTED ACCELERATION OR DIMINISHED BRAKING PERFORMANCE, AND THE REMAINING 11 REPORTS DESCRIBE AMBIGUOUS ALLEGATIONS OF STUCK THROTTLE WITHOUT REGARD TO SEVERITY OR CONSEQUENCE.ODI ANALYSIS OF FIELD INCIDENT DATA SHOWS THAT THE COMPLAINT AND WARRANTY TRENDS APPEAR TO BE IN DECLINE, WITH ONLY 1 ADDITIONAL COMPLAINT AND 6 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT RECEIVED BY GM SINCE APRIL 2007. A SAFETY-RELATED DEFECT TREND HAS NOT BEEN IDENTIFIED AT THIS TIME AND FURTHER USE OF AGENCY RESOURCES DOES NOT APPEAR TO BE WARRANTED.ACCORDINGLY, THIS INVESTIGATION HAS BEEN CLOSED.THE CLOSING OF THIS INVESTIGATION DOES NOT CONSTITUTE A FINDING BY NHTSA THAT A SAFETY-RELATED DEFECT DOES NOT EXIST.THE AGENCY WILL TAKE FURTHER ACTION IF WARRANTED BY THE CIRCUMSTANCES.
PE07051 · Stuck Throttle Valve
Opened Oct 19, 2007 · Closed Feb 14, 2008
Status: closed (inferred from source dates) · Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv); Vehicle Speed Control
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.
Additional source detail variants (2)
Engine And Engine Cooling:exhaust System:emission Control:crankcase (pcv)
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.
Vehicle Speed Control
ON OCTOBER 19, 2007, THE OFFICE OF DEFECTS INVESTIGATION (ODI) OPENED A PRELIMINARY EVALUATION TO INVESTIGATE ALLEGED STUCK THROTTLE INCIDENTS DUE TO ICE FORMATION WITHIN THE ENGINE AIR INTAKE TRACT IN CERTAIN MODEL YEAR (MY) 2004-2005 CHEVROLET AVEO VEHICLES MANUFACTURED FOR SALE OR LEASE IN THE UNITED STATES.THIS INVESTIGATION WAS PROMPTED BY A SAFETY RECALL CAMPAIGN (05F-069) CONDUCTED BY GENERAL MOTORS CORP. (GM) INVOLVING SUBSTANTIALLY SIMILAR VEHICLES MANUFACTURED FOR SALE OR LEASE IN CANADA.AT THAT TIME, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #05-06-04-065) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES.GM SUBSEQUENTLY REVISED THE CANADIAN RECALL CAMPAIGN TO INCLUDE MORE DETAILED INSTRUCTIONS AFTER IT DISCOVERED CERTAIN VEHICLES WERE NOT PROPERLY SERVICED UNDER THE ORIGINAL RECALL CAMPAIGN.GM REVISED THE CANADIAN RECALL CAMPAIGN A SECOND TIME TO INCLUDE MORE SUBSTANTIAL CHANGES TO THE THROTTLE BODY, INTAKE MANIFOLD, POSITIVE CRANKCASE VENTILATION (PCV) AND ENGINE COOLING SYSTEMS TO FURTHER REDUCE THE LIKELIHOOD OF ICING WITHIN THE ENGINE AIR INTAKE TRACT.AGAIN, GM ISSUED A TECHNICAL SERVICE BULLETIN (TSB #08-06-04-009) TO ADDRESS THE ALLEGED DEFECT CONDITION IN U.S. VEHICLES USING THE REVISED PROCEDURE.ODI IS AWARE OF 28 NON-DUPLICATIVE COMPLAINTS/FIELD REPORTS AND 46 WARRANTY CLAIMS RELATED TO THE ALLEGED DEFECT AFFECTING 63 UNIQUE SUBJECT VEHICLES.THE ALLEGED DEFECT CONDITION IS MOST LIKELY TO OCCUR DURING THE WINTER MONTHS WHEN AMBIENT TEMPERATURES ARE BELOW FREEZING.HOWEVER, THE INFORMATION PROVIDED IN GM'S RESPONSE TO ODI'S INFORMATION REQUEST LETTER DATED NOVEMBER 2, 2007, DOES NOT CAPTURE EVENTS THAT MAY HAVE OCCURRED DURING THE MOST RECENT WINTER MONTHS.ACCORDINGLY, THIS INVESTIGATION HAS BEEN UPGRADED TO AN ENGINEERING ANALYSIS (EA08-005) TO FURTHER STUDY THE FREQUENCY OF THE ALLEGED DEFECT.