Electrical SystemService BrakesVehicle Speed Control
MY CORVETTE AS WELL AS MANY OTHERS FROM 97-04 SUFFER FROM THE ACTIVE HANDLING ABS/TRACTION CONTROL SYSTEM GOING BAD. THE PART IS KNOWN AS THE EBCM. WHEN IT GOES BAD (IF CRUISE IS ENGAGED) THE CAR WILL DISABLE CRUISE CONTROL SUDDENLY CAUSING CAR TO SLOW DOWN. ALSO, WHEN THE SYSTEM FAILS WHILE MOVING IT CAUSE CAUSE UNEVEN BRAKE FE…
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MY CORVETTE AS WELL AS MANY OTHERS FROM 97-04 SUFFER FROM THE ACTIVE HANDLING ABS/TRACTION CONTROL SYSTEM GOING BAD. THE PART IS KNOWN AS THE EBCM. WHEN IT GOES BAD (IF CRUISE IS ENGAGED) THE CAR WILL DISABLE CRUISE CONTROL SUDDENLY CAUSING CAR TO SLOW DOWN. ALSO, WHEN THE SYSTEM FAILS WHILE MOVING IT CAUSE CAUSE UNEVEN BRAKE FEELING AND YOU LOOSE THE ABS AND TRACTION CONTROL SYSTEMS . GM HAS DISCONTINUED THE PARTS REQUIRED TO REPAIR THIS AND THIS ISSUE HAS BEEN MAJOR SAFETY CONCERNS FOR MANY YEARS NOW AFFECTING MANY 97-04 CORVETTES. ALSO A PART OF THIS SYSTEM IS THE STEELING WHEEL POSITION SENSOR WHICH IS ALSO DISCONTINUED. SWPS CAN SEND WRONG INFO TO THE OTHER COMPUTERS AND THE CAR WILL MAKE ERRONEOUS 'CORRECTIONS' THAT CAN LEAD TO BRAKES BEING APPLIED AT ANY MOMENT WHILE DRIVING.
NHTSA ODI #11416521
Mileage unknown · Mar 19, 2002
Vehicle Speed ControlCrashInjury
THE VEHICLE WAS PARKED IN A PARKING SPACE IN A HOUSING AREA, PLACED IN PARK, AT THE TIME THE IGNITION WAS ABOUT TO BE TURNED OFF. THE CAR TOOK OFF AND FLEW OVER THE PARKING BARRIER, OVER A HEDGE AND INTO A TREE. THE CAR SIDE SWIPED A POLE WHICH DEMOLISHED THE ENTIRE LEFT SIDE OF THE VEHICLE, THE CAR CAME TO REST AGAINST A TREE, …
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THE VEHICLE WAS PARKED IN A PARKING SPACE IN A HOUSING AREA, PLACED IN PARK, AT THE TIME THE IGNITION WAS ABOUT TO BE TURNED OFF. THE CAR TOOK OFF AND FLEW OVER THE PARKING BARRIER, OVER A HEDGE AND INTO A TREE. THE CAR SIDE SWIPED A POLE WHICH DEMOLISHED THE ENTIRE LEFT SIDE OF THE VEHICLE, THE CAR CAME TO REST AGAINST A TREE, STRIKING THE LEFT FRONT. THE VEHICLE WAS STILL IN PARK, THE REAR WHEELS WERE STILL SPINNING, WHEN THE DRIVER WAS FINALLY ABLE TO TURN OFF THE KEY, GET OUT AND SEEK HELP. THE AIR BAGS DID NOT WORK EITHER.*AK
NHTSA ODI #759538
Mileage unknown · Jun 8, 2001
Vehicle Speed Control
CAR ACCELERATED WIDE OPEN THROTTLE ON ITS OWN. AT 115 MPH ON CITY STREET I PUT TRANS IN NEUTRAL AND TURN OFF KEY. HAD NO POWER BRAKES OR ABS; NO POWER STEERING. WAS ABLE TO STOP CAR AND TURN OFF TO SIDE ROAD AND STOP WITHOUT ACCIDENT. TOWED TO DEALER. DEALER AND GM TECH SUPPORT COULD NOT FIND PROBLEM. DEALER PAID FOR TOW AND REP…
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CAR ACCELERATED WIDE OPEN THROTTLE ON ITS OWN. AT 115 MPH ON CITY STREET I PUT TRANS IN NEUTRAL AND TURN OFF KEY. HAD NO POWER BRAKES OR ABS; NO POWER STEERING. WAS ABLE TO STOP CAR AND TURN OFF TO SIDE ROAD AND STOP WITHOUT ACCIDENT. TOWED TO DEALER. DEALER AND GM TECH SUPPORT COULD NOT FIND PROBLEM. DEALER PAID FOR TOW AND REPAIR ATTEMPT ALTHOUGH OUT OF FACTORY WARRANTY. TOOK VEHICLE AND NEXT EVENING [06/07/2001] DEFECT REOCCURED BUT I SHUT IT SHUT IT DOWN BEFORE HIGH SPEED WAS REACHED. CAR CANNOT BE SAELY DRIVEN WITHOUT CONCERN FOR PERSONAL SAFETY AND SAFETY OF PUBLIC. WHAT DO I DO?*AK
NHTSA ODI #746584
Mileage unknown · Jan 17, 2001
Vehicle Speed Control
WHILE DRIVING WITH CRUISE ACTIVATED AT 62 MPH, ACTIVE HANDLING SYSTEM ENGAGED MOMENTARILY PULLING CAR SHARP RIGHT. THIS HAS HAPPENED SEVEN TIMES AND THE AUTO HAS BEEN IN THE SHOP TWICE, MOST RECENTLY LAST MONTH, FOR THIS PROBLEM. TECHNICIANS CLAIM THEY CAN'T FIND ANY FAULTS WITH THE VEHICLE OR INFORMATION ON OTHER REPORTED INC…
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WHILE DRIVING WITH CRUISE ACTIVATED AT 62 MPH, ACTIVE HANDLING SYSTEM ENGAGED MOMENTARILY PULLING CAR SHARP RIGHT. THIS HAS HAPPENED SEVEN TIMES AND THE AUTO HAS BEEN IN THE SHOP TWICE, MOST RECENTLY LAST MONTH, FOR THIS PROBLEM. TECHNICIANS CLAIM THEY CAN'T FIND ANY FAULTS WITH THE VEHICLE OR INFORMATION ON OTHER REPORTED INCIDENTS. THIS HAS A POTENTIAL TO CAUSE AN ACCIDENT AND I MUST HAVE IT FIXED. PLEASE HELP IN ANY WAY POSSIBLE. ODI ID 709456 SOUNDS LIKE IT MAY BE THE SAME PROBLEM BUT DOESN'T HAVE ENOUGH INFORMATION, READABLE, TO DETERMINE IF IT IS. IS THERE SOME WAY I CAN GET INFORMATION ON HIS PROBLEM AND REMENDY. THANKS FOR ANY HELP YOU MAY PROVIDE. P.S. THE VEHICLE WAS PURCHASED AT HENDRICK CHEVROLET IN CARY, NC BUT BEING WORKED ON BY WYATTS IN VIRGINIA, WHERE I LIVE. THANKS. *AK
NHTSA ODI #739503
Mileage unknown · May 17, 2000
Vehicle Speed ControlCrash
WHILE DRIVING ABOUT ANY SPEED VEHICLE COULD SUDDENLY ACCELERATE WITHOUT PRIOR WARNING. *AK
ON CERTAIN PASSENGER VEHICLES EQUIPPED WITH ELECTRONIC COLUMN LOCK SYSTEMS (ECL), WHEN THE IGNITION SWITCH IS TURNED TO "LOCK," THE ECL SYSTEM PREVENTS TURNING OF THE STEERING SYSTEM. WHEN THE VEHICLE IS STARTED, THE ECL UNLOCKS THE STEERING SYSTEM. THE VEHICLE IS DESIGNED SO THAT IF THE COLUMN FAILS TO UNLOCK WHEN THE VEHICLE IS STARTED AND THE CUSTOMER TRIES TO DRIVE, THE FUEL SUPPLY WILL BE SHUT OFF SO THAT THE VEHICLE CANNOT MOVE WHEN THE VEHICLE CANNOT BE STEERED. IF VOLTAGE AT THE POWERTRAIN CONTROL MODULE IS LOW OR INTERRUPTED, HOWEVER, THE FUEL SHUT OFF MAY NOT OCCUR AND THE VEHICLE CAN BE ACCELERATED WHILE THE STEERING SYSTEM IS LOCKED. ALSO WHEN THE CONTROL SYSTEM SHOWS THAT THE ECL IS UNLOCKED AND THE VEHICLE IS BEING DRIVEN, THE LOCK PIN LOCATION CAN VARY. DEPENDING ON THE LOCATION OF THE LOCK PLATE RELATIVE TO THE SWITCH TRANSITION POINT, THERE COULD THEN BE CONTACT BETWEEN THE LOCK PLATE AND PIN CAUSING THE STEERING TO LOCK WHILE DRIVING .
Consequence & remedy
Consequence: IF THIS OCCURS, A CRASH COULD OCCUR WITHOUT WARNING.
Remedy: ON VEHICLES EQUIPPED WITH AN AUTOMATIC TRANSMISSION, THE DEALER WILL DISABLE THE STEERING COLUMN LOCK BY REMOVING THE COLUMN LOCK PLATE. WHEN THE IGNITION KEY IS REMOVED, THE TRANSMISSION SHIFTER WILL LOCK BUT THE STEERING COLUMN WILL NOT LOCK. ON VEHICLES EQUIPPED WITH A MANUAL TRANSMISSION, THE DEALER WILL REPROGRAM THE POWERTRAIN CONTROL MODULE, PERFORM A DIMENSIONAL CHECK OF THE COLUMN LOCK AND, IF NECESSARY, REPLACE THE LOCK PLATE. THE STEERING COLUMN ON THESE VEHICLES WILL CONTINUE TO LOCK WHEN THE KEY IS REMOVED. OWNER NOTIFICATION TO OWNERS OF 1997 VEHICLES EQUIPPED WITH AUTOMATIC TRANSMISSIONS BEGAN ON APRIL 26, 2004. OWNERS OF 1998 THROUGH 2004 VEHICLES (EXCEPT 1997-1998 MANUAL TRANSMISSION VEHICLES) WILL BE NOTIFIED BEGINNING ON AUGUST 2, 2004. THE REMAINING OWNERS (1997-1998 MANUAL TRANSMISSION VEHICLES) WILL BE NOTIFIED LATER IN 2004, WHEN PARTS ARE AVAILABLE. OWNERS SHOULD CONTACT CHEVROLET AT 1-800-630-2438.
IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.
Additional source detail variants (3)
Steering:column
IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.
Steering:column LOCKING:ANTI-THEFT Device
IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.
Steering
IN 2001, GENERAL MOTORS (GM) ISSUED CUSTOMER SERVICE CAMPAIGNS 1044 AND 1044A TO ADDRESS A CONDITION WHERE THE STEERING COLUMN WOULD FAIL TO UNLOCK DURING THE INITIAL KEY-IN AND START-UP IN CERTAIN MY 1998-2000 CORVETTE VEHICLES.HOWEVER, ODI CONTINUED TO RECEIVE COMPLAINTS CONCERNING STEERING COLUMN LOCKUP ON CORVETTE VEHICLES.AS A RESULT, PE02-054 WAS OPENED AND LATER UPGRADED TO EA02-031 FOR MY 1997-2001 SUBJECT VEHICLES.ODI'S ANALYSIS IDENTIFIED CONCERNS WITH POST-REPAIR FAILURES IN VEHICLES SERVICED THROUGH THE CAMPAIGNS, AS WELL AS, FAILURES IN MY 1997-2003 SUBJECT VEHICLES NOT INCLUDED IN THE CAMPAIGNS.(NOTE: THE MANUFACTURER FAILURE DATA ABOVE IS LIMITED TO MY 1997-2003 VEHICLES THROUGH 10/17/2003.)ON FEBRUARY 6, 2004, GM NOTIFIED NHTSA OF A SAFETY DEFECT IN MY 1997-2004 CORVETTE VEHCLES EQUIPPED WITH MANUAL TRANSMISSIONS AND MY 1997-2000 CORVETTE VEHICLES WITH AUTOMATIC TRANSMISSIONS.THE NOTIFICATION STATED THAT IF THE VOLTAGE AT THE POWERTRAIN CONTROL MODULE (PCM), WHICH WAS DESIGNED TO SHUT DOWN THE FUEL SUPPLY WHEN THE STEERING COLUMN FAILED TO UNLOCK AND THE CUSTOMER TRIED TO DRIVE THE VEHICLE, IS LOW OR INTERRUPTED, THE FUEL SHUT OFF MAY NOT OCCUR.AS A RESULT, THE CUSTOMER COULD DRIVE THE VEHICLE WHILE THE STEERING COLUMN WAS LOCKED CAUSING THE DRIVER TO LOSE STEERING CONTROL AND POSSIBLY CRASH WITHOUT WARNING.GM WILL INSTRUCT OWNERS TO BRING THEIR VEHICLES TO A DEALER TO HAVE THE PCM REPROGRAMMED FOR MANUAL TRANSMISSION VEHICLES AND THE ELECTRIC COLUMN LOCK DISABLED FOR AUTOMATIC TRANSMISSION VEHICLES.ODI WILL MONITOR THE EFFECTIVENESS OF THE REMEDY IN THE MANUAL TRANSMISSION VEHICLES AND TAKE FURTHER ACTION IF WARRANTED.
PE02054 · Steering Column Lockup
Opened Jul 1, 2002 · Closed Nov 15, 2002
Status: closed (inferred from source dates) · Steering
SEE RESUME IN REPOSITORY.
EA00009 · Front Lap Belt Malfunction
Opened Mar 16, 2000 · Closed Apr 18, 2000
Status: closed (inferred from source dates) · Seat Belts
ODI OPENED THIS EA00-009 ON MARCH 16, 2000, TO CONTINUE ANALYSES BEGUN UNDER PRELIMINARY EVALUATION PE99-076.THE ALLEGED DEFECT: LAP BELT WEBBING IN BOTH SEATING POSITIONS TENDS TO FOLD OVER WHILE ENTERING THE RETRACTOR OPENING.THESE FOLDS FREQUENTLY IMPEDE PROPER WEBBING RETRACTION.IF THE RETRACTOR HAS BEEN INADVERTENTLY TOGGLED INTO AUTOMATIC LOCK RETRACTOR (ALR) MODE BY BEING EXTENDED TO ITS FULL LENGTH, IT MAY FAIL TO RESET ITSELF TO THE NORMAL EMERGENCY LOCK RETRACTOR (ELR) MODE.SUCH A CONDITION HAS BEEN SHOWN TO RENDER THE ACTIVE RESTRAINT UNUSABLE.CONCLUSION: GM WILL REMEDY THE ALLEGED DEFECT IN 71,569 SUBJECT VEHICLES BUILT PRIOR TO AUGUST 1999 BY ADDING WEBBING GUIDE INSERTS TO THE LAP RETRACTOR OPENINGS OF BOTH SEATING POSITIONS TO PREVENT THE ADMISSION OF FOLDED WEBBING ONTO THE RETRACTOR SPOOL.THIS ENGINEERING ANALYSIS HAS BEEN CLOSED.
PE99076 · Front Lap Belt Malfunction
Opened Dec 10, 1999 · Closed Mar 16, 2000
Status: closed (inferred from source dates) · Seat Belts
There is no summary currently available
PE99066 · Steering Column Lock Module
Opened Nov 8, 1999 · Closed Jul 21, 2000
Status: closed (inferred from source dates) · Steering
There is no summary currently available
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