NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
235 reports14,000 miles · Nov 6, 2006
Seat Belts
DT*: THE CONTACT STATED THE REAR SEAT BELTS COULD NOT BUCKLE INTO THE CORRESPONDING LATCHES, WHICH REQUIRED THE BELTS TO BE CROSSED OVER TO THE OTHER SEAT BELT. THE SERVICE DEALER AND MANUFACTURER WERE NOTIFIED. THE MANUFACTURER INFORMED THE CONTACT THAT WAS THE DESIGN OF THE SEAT BELTS AND NOTHING WAS WRONG. UPDATED 12/18/20…
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DT*: THE CONTACT STATED THE REAR SEAT BELTS COULD NOT BUCKLE INTO THE CORRESPONDING LATCHES, WHICH REQUIRED THE BELTS TO BE CROSSED OVER TO THE OTHER SEAT BELT. THE SERVICE DEALER AND MANUFACTURER WERE NOTIFIED. THE MANUFACTURER INFORMED THE CONTACT THAT WAS THE DESIGN OF THE SEAT BELTS AND NOTHING WAS WRONG. UPDATED 12/18/2006 -*NM
NHTSA ODI #10172700
5,000 miles · Aug 15, 2006
Air BagsCrashFireInjury
ENCLOSED ARE SOME PICTURE OF A RECENT ACCIDENT WERE MY SON ALMOST LOST HIS LIFE IN A FRONTAL COLLISION AND THE AIRBAGS DID NOT DEPLOY, AS FAR AS HE CAN RECALL AND THE IMPACT INJURIES. *JB
NHTSA ODI #10165575
5,000 miles · Aug 15, 2006
Air BagsCrashFireInjury
ENCLOSED ARE SOME PICTURE OF A RECENT ACCIDENT WERE MY SON ALMOST LOST HIS LIFE IN A FRONTAL COLLISION AND THE AIRBAGS WERE NOT DEPLOYED, AS FAR AS HE CAN RECALL AND THE IMPACT INJURIES. *NM
NHTSA ODI #10165492
8,263 miles · Jul 26, 2006
Service Brakes, Hydraulic
DT*: THE CONTACT STATED THAT THE BRAKE PEDAL WAS MUSHY, AND WHEN IT WAS DEPRESSED, LOWERED TO THE SAME POINT AS THE ACCELERATOR PEDAL. THIS CAUSED THE CONTACT TO ACCIDENTALLY APPLY PRESSURE ON BOTH PEDALS. THE VEHICLE WAS TAKEN TO A SERVICE DEALER, WHERE THE DEALER NOTED THAT THE REAR CALIPERS WERE NOT ADJUSTING. THE DEALER …
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DT*: THE CONTACT STATED THAT THE BRAKE PEDAL WAS MUSHY, AND WHEN IT WAS DEPRESSED, LOWERED TO THE SAME POINT AS THE ACCELERATOR PEDAL. THIS CAUSED THE CONTACT TO ACCIDENTALLY APPLY PRESSURE ON BOTH PEDALS. THE VEHICLE WAS TAKEN TO A SERVICE DEALER, WHERE THE DEALER NOTED THAT THE REAR CALIPERS WERE NOT ADJUSTING. THE DEALER LUBRICATED AND ADJUSTED THE CALIPERS, WHICH DID NOT COMPLETELY FIX THE PROBLEM. UPDATED 8/16/2006 - *NM
NHTSA ODI #10163489
21,500 miles · Jun 21, 2006
Vehicle Speed Control
UPON COMING HOME WE PULLED INTO THE DRIVEWAY AND REMOVED THE RIGHT FOOT FROM THE ACCELERATOR AND STARTED GENTLY BREAKING AS APPROACHING THE GARAGE. AS NEARING THE GARAGE THE ENGINE QUICKLY ACCELERATED TO MAXIMUM. MAXIMUM FORCE WAS APPLIED TO THE BREAK PEDAL AND THE ENGINE SHUT OFF INCHES FROM THE FRONT OF THE GARAGE. WE WILL B…
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UPON COMING HOME WE PULLED INTO THE DRIVEWAY AND REMOVED THE RIGHT FOOT FROM THE ACCELERATOR AND STARTED GENTLY BREAKING AS APPROACHING THE GARAGE. AS NEARING THE GARAGE THE ENGINE QUICKLY ACCELERATED TO MAXIMUM. MAXIMUM FORCE WAS APPLIED TO THE BREAK PEDAL AND THE ENGINE SHUT OFF INCHES FROM THE FRONT OF THE GARAGE. WE WILL BE TAKING THE VEHICLE TO THE DEALERSHIP TODAY. *NM
NHTSA ODI #10160326
Mileage unknown · May 16, 2006
Electrical SystemEngine And Engine Cooling
CONSUMER LETTER CONCERNING ENGINE SERVICE LIGHT ILLUMINATED. *TS THE ENGINE LIGHT ILLUMINATED DUE TO A FUEL GAUGE ERROR THE FIRST TIME. WHEN THE ENGINE LIGHT ILLUMINATED AGAIN, THE DEALER EXPLAINED THAT THE WIRING HARNESS NEEDED TO BE RELOCATED AND NOT REPAIRED. *JB
NHTSA ODI #10158391
21,000 miles · May 3, 2006
Structure
DT*: THE CONTACT STATED DURING A RAIN STORM TODAY WATER ENTERED THE VEHICLE ON THE DRIVER SIDE AROUND THE DASHBOARD AND POOLED UNDERNEATH THE DRIVER SEAT. AN APPOINTMENT HAS BEEN MADE WITH THE DEALER FOR INSPECTION LATER TODAY.
NHTSA ODI #10156672
14,000 miles · Apr 21, 2006
Service Brakes, Hydraulic
DT*: THE CONTACT STATED WHILE THE BRAKE PEDAL WAS DEPRESSED, THE VEHICLE SHOOK. THE DEALERSHIP REPLACED THE REAR DRUMS THREE TIMES, RESURFACED THE REAR DRUMS, AND REPLACED THE BRAKE SYSTEM. THESE EFFORTS HAVE NOT CORRECTED THE SHAKING PROBLEM. UPDATED 05/16/2006.*AK *NM
NHTSA ODI #10155819
Mileage unknown · Dec 22, 2005
Visibility
DT: THE CONTACT STATED THE FRONT WINDSHIELD FOGGED UP. THIS OCCURRED WITH THE DEFROSTER ON. THE DEALERSHIP WAS UNABLE TO MAKE A DIAGNOSIS. THE MANUFACTURER STATED WITHOUT A DIAGNOSIS THEY WERE UNABLE TO OFFER ANY ASSISTANCE. *AK
NHTSA ODI #10145913
Mileage unknown · Nov 28, 2005
Air BagsCrashInjury
DT: THE CONTACT STATED WHILE IN A FRONT END COLLISION THE AIRBAGS DID NOT DEPLOY. THE CONTACT WAS DRIVING 50 MPH AND WENT UNDER A TRUCK. MOST OF THE IMPACT WAS TO THE HOOD, ROOF TOP, AND WINDSHIELD. THE STEERING WHEEL WAS COMPLETELY DAMAGED. THERE WAS NO SUBSTANTIAL DAMAGE TO THE BUMPER. THE VEHICLE WAS TOWED TO THE CONTA…
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DT: THE CONTACT STATED WHILE IN A FRONT END COLLISION THE AIRBAGS DID NOT DEPLOY. THE CONTACT WAS DRIVING 50 MPH AND WENT UNDER A TRUCK. MOST OF THE IMPACT WAS TO THE HOOD, ROOF TOP, AND WINDSHIELD. THE STEERING WHEEL WAS COMPLETELY DAMAGED. THERE WAS NO SUBSTANTIAL DAMAGE TO THE BUMPER. THE VEHICLE WAS TOWED TO THE CONTACT'S RESIDENCE , AND HAS NOT BEEN INSPECTED OR REPAIRED. A POLICE REPORT WAS TAKEN. THE CONTACT SUSTAINED INJURIES. THE NOSE WAS FRACTURED, LEFT EYEBALL WENT OUT OF ORBIT, AND THE CHEEK BONE WAS CRUSHED. HE HAD TO HAVE RECONSTRUCTIVE SURGERY TO HIS FACE. THE MANUFACTURER STATED ALL THREE SENSORS HAVE TO BE HIT SIMULTANEOUSLY FOR THE AIRBAGS TO DEPLOY. *AK UPDATED 01/25/06. *JB
NHTSA ODI #10143819
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.
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