Problems owners report
Complaints filed with NHTSA about the 1999 GMC C/k Series, by the system named in each complaint. One complaint can name several.
- Service brakes, hydraulic3
- Service brakes1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 0 injuries and 0 deaths reported
Compared with other years
NHTSA ODI complaints by model year
Recalls
00V097000 · Seat belts28 Mar 2000 · 500,000 vehicles
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS. THE SEAT BELTS FAIL TO CONFORM TO THE REQUIREMENTS OF FMVSS NO. 209, "SEAT BELT ASSEMBLIES."
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words
Service bulletins
What GMC told its dealers about the 1999 GMC C/k Series: known faults, fixes and updates.
| Bulletin | Summary |
|---|---|
| 635817 | A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP, LEAKING TO COMPLAINTS OF POOR PERFORMANCE OR FUEL ECONOMY, HARD / NO STARTS, HESITATION, AS WELL AS ILLUMINATION OF THE SERVICE ENGINE SOON LIGHT. *TT |
| 629423 | SOME CUSTOMERS MAY EXPERIENCE A FAILURE OF THE ELECTRONIC DIESEL FUEL INJECTION PUMP. *JG |
| 628393 | SUBJECT REGARDING EXHAUST SYSTEM RUMBLE / RATTLE NOISE. *JG |
| 622930 | SOME OWNERS WITH VEHICLES BUILT BEFORE JANUARY 15,1999 MAY COMMENT ON A HARSH 1-2 UPSHIFT AND MAY ALSO HAVE A CHECK ENGINE LIGHT. *ET |
| 619393 | MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE. *TT UPDATED *EH 2006 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS. *SC |
| 619375 | INFORMATION ON AUTOMATIC TRANSMISSION PERFORMANCE DURING COLD WEATHER OPERATION. *TT |
| 619373 | INFORMATION PERTAINING TO THE NEW CONTROL VALVE BODY, SPACER PLATE AND GASKETS FOR THE 4L60-E AUTOMATIC TRANSMISSION. *TT |
| 619187 | THIS BULLETIN IS TO INFORM DEALERS OF THE RELEASE OF A NEW TORQUE CONVERTER BOLT FOR CERTAIN TRANSMISSIONS. *TT |
| 619002 | SOME VEHICLES MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT |
| 618141 | A NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION. *TT UPDATED *EH |
| 617636 | SOME OWNERS OF 1996 - 1999 S/T, M/L, C/K, G, P AND W4 TRUCKS MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT |
| 617631 | THE PURPOSE OF THIS MESSAGE IS TO ADDRESS INQUIRES REGARDING THE TIME ALLOWANCE ON CAMPAIGN 00045 - FRONT SEAT BELT COMPLIANCE FOR CHEVROLET AND GMC C/K PICKUP TRUCKS. *TT |
| 617575 | SOME OWNERS OF 1996 - 1998 MODEL YEAR S/T, M/L, C/K, G, P AND W4 TRUCKS, THAT ARE REGISTERED IN CALIFORNIA, EQUIPPED WITH 4.3L, 5.0L OR 5.7L ENGINE, AND CALIFORNIA EMISSIONS, MAY EXPERIENCE A SERVICE ENGINE SOON LIGHT, MISFIRE, ROUGH IDLE OR HARD START DUE TO A DEPOSIT BUILD-UP ON THE SEQUENTIAL CENTRAL PORT FUEL INJECTOR (SCPI) POPPET VALVE(S). *TT |
| 612670 | SOME CUSTOMERS MAY COMMENT ON A HIGHER THAN EXPECTED ACCELERATOR PEDAL EFFORT FROM THE IDLE POSITION, C/K SERIES PICK UPS (SILVERADO AND SIERRA). *MJS |
| 10032462 | SAAB/HUMMER/GM: DIAGNOSTIC TIPS/RECOMMENDATIONS WHEN POWER STEERING PUMP REPLACEMENT IS NECESSARY. ANALYSIS OF RETURNED POWER STEERING (PS) PUMPS THAT HAD BEEN REPLACED FOR NOISE, NO POWER ASSIST, NO OR LOW PRESSURE AND LEAKING CONDITIONS HAS INDICATED A HIGH NUMBER OF NO TROUBLE FOUND RESULTS. ALL 1997-2010 VEHICLES AND LIGHT TRUCKS; 2010 AND PRIOR HUMMERS H2/H3 AND SAAB 9-7X VEHICLES. *PE |
| 10005439 | MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE. VARIOUS MODELS INCLUDING 1996 - 1999 P32 MODELS. SIT BULLETIN 1416475. *TT |
| 10004135 | 6.5L L49 L56 L57 L65 DIESEL ENGINE REQUIRING FUEL INJECTION PUMP REPLACEMENT. MODELS P32/P42 1994-1999 INCLUDED. *TT |
| 10001298 | ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON (SES) LIGHT. VARIOUS MODELS INCLUDING THE 1995 CHEVROLET AND GMC S/T MODELS. *TT |
NHTSA manufacturer communications (public domain)
NHTSA investigations
EA04011 · Parking brake:conventionalopened 9 Apr 2004 · closed 10 May 2005
PARKING BRAKE FAILURE
PE03057 · Parking brakeopened 8 Dec 2003 · closed 9 Apr 2004
PARKING BRAKE FAILURE
PE99003 · Service brakes, hydraulicopened 12 Jan 1999 · closed 22 Jul 1999
BRAKE HOSE ABRASION
NHTSA Office of Defects Investigation