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2003 GMC Denali

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.

About this comparison →
32Owner complaints

Model-year median: 8.5

0Recall campaigns

View recall details →

2Investigations

View investigation details →

Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.

Inspection summary

2003 GMC Denali

NHTSA snapshot: September 18, 2026. 32 owner complaints · 0 recall campaigns · 2 investigations.

Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.

Top reported categories (up to 5)

  • Electrical System: 6 reports
  • Steering: 5 reports
  • Vehicle Speed Control: 5 reports
  • Power Train: 3 reports
  • Service Brakes, Hydraulic: 3 reports

Full reported-category list and vehicle report

Recall links

    No recall campaigns in this snapshot.

    Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.

    Print the top reported categories, recall links, snapshot date and comparison limits.

    How this year compares

    Owner complaints by model year

    Other model years Selected year
    21
    2000    22
    2001    23
    2002    32
    2003
    Compare all Denali years →

    Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.

    What owners reported most

    Electrical System
    6    Steering
    5    Vehicle Speed Control
    5    Power Train
    3    Service Brakes, Hydraulic
    3
    All reported categories
    Electronic Stability Control (esc)
    2    Engine And Engine Cooling
    2    Exterior Lighting
    2    Service Brakes
    2    Air Bags
    1    Engine
    1    Equipment
    1    Fuel System, Gasoline
    1    Parking Brake
    1    Seat Belts
    1    Service Brakes, Air
    1    Suspension
    1    Tires
    1

    Tap a category to read its complaints. One report may name several components.

    When problems were reported

    Mileage at the reported incident

    25 reports with mileage · 7 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.

    • Electrical System. Review the 6 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
    • Steering. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
    • Vehicle Speed Control. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

    NHTSA owner reports · September 18, 2026 snapshot.

    3 crash reports0 fire reports1 injury reports

    Vehicle Speed Control complaints

    5 reports
    Clear category filter
    75,000 miles · Feb 21, 2014
    Electrical SystemEngineVehicle Speed Control

    AFTER JUST A FEW YEARS OF OWNERSHIP, MY 2003 DENALI, WHICH I PURCHASED BRAND NEW, STARTED TO HAVE "POWER DOWN" ISSUES. WHILE DRIVING, THE VEHICLE WOULD JUST LOOSE POWER AND I WOULD HAVE TO PULL OVER AND RESTART THE VEHICLE. GMC HAS ALWAYS ACTED AS IF IT WAS NOT A BIG DEAL AND HAVE OFFERED MANY EXPENSIVE SOLUTIONS. EARLY ON I …

    Read full complaint

    AFTER JUST A FEW YEARS OF OWNERSHIP, MY 2003 DENALI, WHICH I PURCHASED BRAND NEW, STARTED TO HAVE "POWER DOWN" ISSUES. WHILE DRIVING, THE VEHICLE WOULD JUST LOOSE POWER AND I WOULD HAVE TO PULL OVER AND RESTART THE VEHICLE. GMC HAS ALWAYS ACTED AS IF IT WAS NOT A BIG DEAL AND HAVE OFFERED MANY EXPENSIVE SOLUTIONS. EARLY ON I TRIED THEIR RECOMMENDATIONS AND IT WOULD HELP FOR A WHILE BUT THE PROBLEM ALWAYS COMES BACK. FURTHER, ALL OF MY GAUGES HAVE QUIT WORKING. AGAIN, GM OFFERS VERY EXPENSIVE SOLUTIONS, BUT WILL NEVER OWN UP TO THE FACT THAT THESE VEHICLES ARE DEFECTIVE. AFTER GOING THROUGH THIS FOR SEVERAL YEARS, I GOOGLED THESE ISSUES AND DISCOVERED THAT THERE ARE PAGES AND PAGES OF COMPLAINTS ABOUT THE SAME ISSUES. I LOVE MY VEHICLE AND NOW HAVE 230,000 MILES ON IT. HOWEVER, I KNOW THAT THIS IS VERY DANGEROUS AND I AM ALWAYS CONSCIOUS THAT IT CAN HAPPEN AT ANY TIME. I AM ALWAYS PREPARED TO PULL OVER BUT THERE HAVE BEEN TIMES WHEN I WAS NEARLY REAR-ENDED BECAUSE OF THIS ISSUE. ALSO, I RARELY LET ANY OTHER FAMILY MEMBER DRIVE THE VEHICLE AND WHEN I DO I WARN THEM OF THE ISSUE SO THAT THEY ARE PREPARED. THIS ISSUE IS FIRST AND FOREMOST VERY DANGEROUS AND SECONDLY A TRUE HASSLE AND INCONVENIENCE. MY CHECK ENGINE LIGHT COMES ON EVERY TIME THE VEHICLE POWERS DOWN. THIS HAS CAUSED ME TO HAVE TROUBLE PASSING EMISSIONS AS WELL. I HAVE WANTED TO TRADE OR SELL THE VEHICLE BUT I AM CONCERNED ABOUT MY LIABILITY KNOWING ABOUT THIS ISSUE. *TR

    NHTSA ODI #10565247

    163,000 miles · Jul 16, 2013
    Electronic Stability Control (esc)Vehicle Speed Control

    I AM FILING A COMPLAINT DUE TO A REDUCED ENGINE PROBLEM AND STABILITY CONTROL WHICH KEEPS ENABLING ME TO DRIVE THE VEHICLE. ONCE THIS LIGHT AND POWER REDUCES I NEED TO PULL OVER FROM MY DESTINATION AND TURN ENGINE OFF COMPLETELY. I COUNT ABOUT TEN SECONDS IN ORDER TO RESTART THE VEHICLE... ONLY TO START IT AND HAVING IT REDUCE A…

    Read full complaint

    I AM FILING A COMPLAINT DUE TO A REDUCED ENGINE PROBLEM AND STABILITY CONTROL WHICH KEEPS ENABLING ME TO DRIVE THE VEHICLE. ONCE THIS LIGHT AND POWER REDUCES I NEED TO PULL OVER FROM MY DESTINATION AND TURN ENGINE OFF COMPLETELY. I COUNT ABOUT TEN SECONDS IN ORDER TO RESTART THE VEHICLE... ONLY TO START IT AND HAVING IT REDUCE AGAIN. SEVERAL LIGHTS ON DASH BOARD REMAIN ON SUCH AS ENGINE. I HAVE TRIED FIXING THE PROBLEM BUT I GUESS NO ONE REALLY KNOWS HOW TO REPAIR AND THIS HAS BEEN COSTLY. I HAVE READ RESOURCES/CONSUMERS WITH THE SAME YEAR AND VEHICLE MAKE, AND HAVE FOUND THAT THEY HAVE OCCURRED THE SAME PROBLEM. I WOULD LIKE TO KNOW IF THIS HAS BEEN A RECALL ON THE GMC CO. AND OR WHAT THE PROBLEM IS. I FEEL THIS IS A SAFETY ISSUE AND APPARENTLY IT DOES HAVE TO DO WITH GMC THE MANUFACTURE AND WOULD LIKE TO RESOLVE THIS PROBLEM. *TR

    NHTSA ODI #10525211

    130,000 miles · Mar 28, 2011
    Vehicle Speed Control

    TL* THE CONTACT OWNS A 2003 GMC DENALI. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT STATED THAT AFTER A FEW MINUTES, THE VEHICLE WAS RESTARTED YET THE FAILURE PERSISTED. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE TECHNICIAN COULD NOT DIAGNOSE THE FAILURE. THE FAILURE PERS…

    Read full complaint

    TL* THE CONTACT OWNS A 2003 GMC DENALI. THE CONTACT WAS DRIVING APPROXIMATELY 40 MPH WHEN THE VEHICLE STALLED WITHOUT WARNING. THE CONTACT STATED THAT AFTER A FEW MINUTES, THE VEHICLE WAS RESTARTED YET THE FAILURE PERSISTED. THE VEHICLE WAS TOWED TO THE DEALER WHERE THE TECHNICIAN COULD NOT DIAGNOSE THE FAILURE. THE FAILURE PERSISTED INTERMITTENTLY BUT RECURRED MOST DURING WARMER TEMPERATURES. THE VEHICLE WAS TAKEN TO TWO DIFFERENT DEALERS AND AN INDEPENDENT MECHANIC. THE THROTTLE BODY, WIRING HARNESS AND SENSORS WERE REPLACED. THE TIRES WERE ROTATED AND THE PRESSURE WAS CHECKED BUT TO NO AVAIL. THE THROTTLE BODY WAS REPLACED A SECOND TIME BUT STILL THERE WAS NO RESOLUTION TO THE FAILURE. WHEN PERFORMING A DIAGNOSTIC ON THE VEHICLE, THE SAME EXACT FAILURE CODES WERE ALWAYS GENERATED ADVISING OF A THROTTLE BODY FAILURE. THE VEHICLE WAS NOT FURTHER REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 130,000. UPDATED 5/2/11 *CN UPDATED 1/11/11 *CN

    NHTSA ODI #10393087

    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

    29,000 miles · Jan 12, 2005
    Vehicle Speed Control

    THE SPEEDOMETER DOES NOT REGISTER AT ALL. CONSUMER TOOK THE VEHICLE TO THE DEALER, WHO STATED THE PART WAS ON BACK ORDER.*AK

    NHTSA ODI #10107270

    Recall campaigns

    0

    No recalls in this snapshot.

    Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

    Defect investigations

    2

    DP05009 · 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.

    An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.