NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
32 reports44,000 miles · Mar 10, 2010
Service Brakes, Hydraulic
INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) MARCH 10, 2010 PLEASE REPORT STATUS OF CASE [XXX] U.S. DEPARTMENT OF TRANSPORTATION SUBJECT; BRAKE LINE FAILURE PROBLEMS ON GENER…
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INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6) MARCH 10, 2010 PLEASE REPORT STATUS OF CASE [XXX] U.S. DEPARTMENT OF TRANSPORTATION SUBJECT; BRAKE LINE FAILURE PROBLEMS ON GENERAL MOTORS TRUCKS GENTLEPERSONS I WOULD LIKE TO REPORT TO YOU A MAJOR SAFETY ISSUE WITH GMC AND CHEVROLET PICK UP TRUCKS THAT WILL RESULT IN DEATH. I HAVE A GMC 2003 SIERRA DENALI PICK UP TRUCK THAT HAS EXPERIENCED THIS DEFECT ON TWO SEPARATE OCCASIONS AND I REPORTED MY CONCERN TO GENERAL MOTORS WHEN I FIRST EXPERIENCED THE LOSS OF MY BRAKES IN A LETTER DATED APRIL 10, 2008. AS THE VEHICLE WAS UNDER EXTENDED WARRANTY ONLY THE RIGHT REAR BRAKE LINE WAS REPLACED. THE SECOND TIME I LOST MY BRAKES WAS ON FEBRUARY 23, 2010 THE DEALER REPLACED THE ENTIRE BRAKE LINE SYSTEM AND CHARGED ME OVER $2,000.00 AND THE TRUCK WAS NOT UNDER WARRANTY AT THAT TIME. I AM CERTAIN THAT THIS DEFECT WAS A RESULT OF THE GENERAL MOTORS SUPPLIER PRODUCING PARTS THAT WERE NOT TO SPECIFICATION (MOST LIKELY MADE IN CHINA). ALL THE AUTOMOBILE COMPANIES PLACE THE QUALITY RESPONSIBILITY ON THE SUPPLIER OF THE COMPONENTS AND THAT SUPPLIER IS SUPPOSED TO BE ISO, QS OR NOW TS CERTIFIED. THIS QUALITY SYSTEM IS SUPPOSED TO BE SELF AUDITING BY USE OF STATISTICAL PROCESS CONTROL SO THEREFORE IT IS UP TO THE SUPPLIER WHO IS SELLING THE COMPONENTS TO BE HONEST AND TRUST WORTHY AND NOT SHIP ANY SUBSTANDARD PARTS. I HAVE ENCLOSED SUPPORTING DOCUMENTATION ALONG WITH REPORTS FROM OTHER PEOPLE WHO I HAVE FOUND WITH A BRIEF SEARCH ON THE INTERNET WHO HAVE HAD THE SAME PROBLEM. [XXX] *TR
NHTSA ODI #10318580
120,000 miles · Nov 17, 2008
Electronic Stability Control (esc)
THE SUV HAS INTERMITTENT STOPS/STALLS IN THE MIDDLE OF MOVING TRAFFIC. AT THAT POINT THE TRACTION ALMOST AS QUICK AS THE MOTOR POWERS DOWN IT RESETS AND GOES AGAIN. THE GMC DEALER HAS NEVER BEEN ABLE TO FIX IT SO WE WENT TO A HIGHLY RATED ANGIES LIST AUTO REPAIR SHOP AND THEY SUGGESTED REPLACING THE TRANSMISSION WHICH WE HAVE DO…
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THE SUV HAS INTERMITTENT STOPS/STALLS IN THE MIDDLE OF MOVING TRAFFIC. AT THAT POINT THE TRACTION ALMOST AS QUICK AS THE MOTOR POWERS DOWN IT RESETS AND GOES AGAIN. THE GMC DEALER HAS NEVER BEEN ABLE TO FIX IT SO WE WENT TO A HIGHLY RATED ANGIES LIST AUTO REPAIR SHOP AND THEY SUGGESTED REPLACING THE TRANSMISSION WHICH WE HAVE DONOR LAST APRIL. UNFORTUNATELY THAT WAS NO HELP EITHER. I HAVE HAD NO LUCK FINDING A SOLUTION ON THE INTERNET AS WELL. *TR
NHTSA ODI #10248959
90,000 miles · Oct 22, 2008
Air Bags
TL*THE CONTACT OWNS A 2003 GMC DENALI. WHILE DRIVING 2-5 MPH, THE CONTACT STRUCK A BUMP OR POTHOLE IN THE ROAD. HE HEARD A LOUD BOOM SIMILAR TO A GUNSHOT. THE SIDE AIR BAGS DEPLOYED AND THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD. ONSTAR NOTICED THE AIR BAG DEPLOYMENT AND CALLED TO SEE IF MEDICAL ASSISTANCE WAS NEEDED. T…
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TL*THE CONTACT OWNS A 2003 GMC DENALI. WHILE DRIVING 2-5 MPH, THE CONTACT STRUCK A BUMP OR POTHOLE IN THE ROAD. HE HEARD A LOUD BOOM SIMILAR TO A GUNSHOT. THE SIDE AIR BAGS DEPLOYED AND THE CONTACT MANEUVERED TO THE SIDE OF THE ROAD. ONSTAR NOTICED THE AIR BAG DEPLOYMENT AND CALLED TO SEE IF MEDICAL ASSISTANCE WAS NEEDED. THE DEALER STATED THAT THE VEHICLE COULD BE REPAIRED AT THE COST OF $5,000. THE MANUFACTURER SENT A THIRD PARTY ENGINEER TO INVESTIGATE THE VEHICLE. HE REVIEWED THE EVENT DATA RECORDER AND DECIDED THAT GMC WOULD NOT ASSIST WITH THE REPAIRS. THE FAILURE AND CURRENT MILEAGES WERE LESS THAN 90,000.
NHTSA ODI #10246411
30,000 miles · Aug 11, 2008
Engine And Engine CoolingInjury
FAULTY PULLY ASSEMBLY ON 2003 GMC VECHICLES THEIR IS A SERVICE BULLETIN OUT ABOUT THE PROBLEM IN 2004. I LEARNED OF THE REPORT 8/7/08.AFTER REPLACING 5 BELTS AND TENSIONERS. AFTER COMPRESSOR BREAKS APART WHILE UNDER CAR TRYING TO FINE THIS HORRIBLE NOISE UPON ACCELERATION.WHILE UNDER WARRANTY I CARRIED THE CAR IN 4 TIMES FOR NOI…
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FAULTY PULLY ASSEMBLY ON 2003 GMC VECHICLES THEIR IS A SERVICE BULLETIN OUT ABOUT THE PROBLEM IN 2004. I LEARNED OF THE REPORT 8/7/08.AFTER REPLACING 5 BELTS AND TENSIONERS. AFTER COMPRESSOR BREAKS APART WHILE UNDER CAR TRYING TO FINE THIS HORRIBLE NOISE UPON ACCELERATION.WHILE UNDER WARRANTY I CARRIED THE CAR IN 4 TIMES FOR NOISES ON THE PASSENGER SIDE FRONT NEVER TO BE RESOLVED ,NOW IT IS SO BAD IT IS OBVIOUS WHERE THE PROBLEM IS. THEIR IS NO RECALL YET BUT SHOULD BE,THE MECH. SAYS THEY REPLACE 2 COMPRESSORS A WEEK. SOMEONES SAFETY IS GOING TO BE CHALLENGED BE FOR THIER IS A RECALL. THIS IS MORE DANGEROUS THAN A SEATBELT LATCH OR SPEED CONTROL NOT TO MENTION COSTLY. PLEASE CONTACT ME FOR A FULL STORY. *TR
NHTSA ODI #10237642
104,000 miles · Feb 7, 2008
Electrical System
THE SPEEDOMETER SHOWS INACCURATE AND ERRATIC READINGS. SPEED APPEARS TO BE 20 MPH OFF AND WILL JUMP TO DIFFERENT SPEEDS. NO SPECIFIC EVENT CAUSED THIS TO HAPPEN, IT JUST STARTED ABOUT A MONTH AGO AND HAS PROGRESSIVELY GOTTEN WORSE OVER TIME. *TR
NHTSA ODI #10217321
42,000 miles · Dec 19, 2007
Electrical System
SPEEDOMETER DEFECTIVE. SOMETIMES READS 120MPH WHEN NOT MOVING. SOMETIMES NEVER MOVES. DON'T FEEL SAFE WITH WIFE DRIVING WITH KIDS. *TR
NHTSA ODI #10212361
50,000 miles · Jun 20, 2007
Vehicle Speed Control
ANALOG SPEEDOMETER, INTERMITTENT, WON'T ALWAYS SET TO ZERO. SHOWS INACCURATE SPEEDS. GOING 65 MPH, SPEEDOMETER REGISTERS 110 MPH. *AK
NHTSA ODI #10193786
Mileage unknown · Oct 24, 2006
Electrical System
I HAVE A 2003 GMC YUKON DENALI AND THE SPEEDOMETER HAS STOPPED PROVIDING ACCURATE SPEED READINGS. I CAN BE TRAVELING 10 MPH ACCORDING TO MY GPS AND THE SPEEDOMETER MAY READ 100 MPH. THIS IS RANDOM AND FREQUENT. *NM
NHTSA ODI #10171751
Mileage unknown · May 2, 2006
Electrical SystemExterior Lighting
HEADLIGHT FLICKER WITH STABILTRAK ENGAGED RELATED TO STEERING WHEEL POSITION AND/OR CAR ATTITUDE (BUMPS,ETC.)*JB
NHTSA ODI #10156584
35,495 miles · Jan 29, 2006
Engine And Engine Cooling
WHEN VEHICLE IS DRIVEN THEN TURNED OFF THE EXHAUST SYSTEM, WHILE COOLING DOWN, CRACKS AND POPS. VOLUME IS EXTREMELY LOUD. MORE SO THAN ANY VEHICLE I HAVE HEARD IN THE PAST. THIS IS WORSE IN COLD WEATHER THAN WARM.*AK
NHTSA ODI #10148926
NHTSA investigations
2DP05009 · Parking Brake Failure
Opened Dec 20, 2005 · Closed May 31, 2006
Status: closed (inferred from source dates) · Parking Brake; Parking Brake:conventional; Parking Brake:conventional:mechanical
ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.
Additional source detail variants (3)
Parking Brake:conventional
ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.
Parking Brake:conventional:mechanical
ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.
Parking Brake
ODI'S REVIEW OF COMPLAINT DATA RECEIVED SINCE THE CLOSE OF EA04-011 REVEALED NO INDICATION THAT THE INVESTIGATION SHOULD BE RE-OPENED.MORE DETAILS CAN BE FOUND IN THE FEDERAL REGISTER NOTICE ENCLOSED IN THE DP05-009 PUBLIC FILE.ODI RESERVES THE RIGHT TO REOPEN THE INVESTIGATION IN THE FUTURE SHOULD CONDITIONS WARRANT.
EA04011 · 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.
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