Technical Service Bulletins
Search 172,063 manufacturer communications covering 880 vehicle makes from 1955 to 2025.
Showing 722 bulletins for GMC
01571
Jan 1, 2004
110000 ELECTRICAL SYSTEM
ENDGATE ELECTRICAL ISSUES. SERVICE VME. SIT BULLETIN 1412494. *TT
01621
Jan 1, 2004
110000 ELECTRICAL SYSTEM
PROGRAMMING OF THE PCM/VCM, ATC, TBC AND DSM WITH TIS 2000. THERE IS POTENTIAL FOR MODULE LOCKING UP IF FUSE #19 LOCATED IN THE REAR FUSE BLOCK IS REMOVED. *TT
01656
Jan 1, 2004
138200 VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:REAR WINDOW
ENDGATE GLASS DEFOGGER PERFORMANCE.*MR
01714
Jan 1, 2004
100000 POWER TRAIN
THE 4L60E/4L65E AUTOMATIC TRANSMISSION MAY EXPERIENCE A LEAK, INOPERATIVE/SLIPPING IN 2ND, 3RD AND 4TH GEARS OR NO MOVEMENT (NO FORWARD OR REVERSE) DUE TO EXCESS FLUID LOSS. SIT BULLETIN 1455088. *TT
030845005
Dec 1, 2003
110000 ELECTRICAL SYSTEM
INTERMITTENT OPERATION OF POWER ROOF, REAR DEFOGGER OR ONSTAR. *TT
11192003
Nov 19, 2003
162600 STRUCTURE:BODY:HATCHBACK/LIFTGATE
INTERMITTENT OPERATION OF THE END GATE DROP AND SWING FUNCTION. *EH
01337
Nov 18, 2003
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
GPS CONNECTOR WILL NOT CONNECT TO NEW MODULE. *TT
01358
Nov 18, 2003
350000 EQUIPMENT
ONSTAR REMOTE FUNCTIONS OPERATIONAL CHECK. 1996 - 2004 ONSTAR EQUIPPED GM VEHICLES. *TT
01464
Nov 18, 2003
137000 VISIBILITY:REAR WINDOW WIPER/WASHER
REAR WIPERS DOES NOT PART CORRECTLY AFTER REPAIR. *TT
030730060
Nov 1, 2003
103000 POWER TRAIN:AUTOMATIC TRANSMISSION
AUTOMATIC TRANSMISSION OIL COOLER FLUSHING AND FLOW TESTING. THIS SERVICE BULLETIN REPLACES 030730060. THIS INCLUDES 1999-2005 CHEVORLET, GMC, W SERIES MEDIUM DUTY TILT CAB, ISUZU W SERIES COMMERCIAL MODELS WITH 4HE1 OR 4HK1 DIESEL ENGINE
081803
Aug 18, 2003
062200 ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN
HVAC BLOWER MOTOR FAN STICKS ON IN THE HIGH BLOWER MOTOR POSITION REGARDLESS OF WHICH POSITION THE FAN SELECTOR SWITCH IS SET ON 2004 FULL-SIZE PICK-UPS WITH THE MANUAL HVAC SYSTEM. *TT
010730002C
Aug 1, 2003
100000 POWER TRAIN
MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE. *TT
030311001
Jul 1, 2003
020000 SUSPENSION
SERVICE RIDE CONTROL MESSAGE DISPLAYED DIAGNOSTIC TROUBLE CODE C0580 SET REPLACE RIGHT FRONT SHOCK ADSORBER SOLENOID CONNECTOR AND INSTALL NEW AC SUCTION HOSE AND AUXILIARY AC EVAPORATOR HOSE. *EH
052003
May 20, 2003
103600 POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES
HEATER BLANKET AVAILABLE FOR THE TRANS FLOW TRANSMISSION COOLING SYSTEM FLUSHING TOOL. MAKE/MODEL/YEAR UNKNOWN. *TT
030417006
Mar 1, 2003
105300 POWER TRAIN:DRIVELINE:DRIVESHAFT
LAUNCH SHUDDER FROM A STOP POSITION. *TT
010703
Jan 7, 2003
061000 ENGINE AND ENGINE COOLING:ENGINE
ERROR MESSAGE DISPLAYED WHEN INSERTING A CD, OR THE CD WILL NOT PROPERLY FUNCTION AFTER MULTIPLE INSERTION ATTEMPTS ON FULL-SIZE PICK-UPS AND FULL-SIZE UTILITIES BUILT ON DECEMBER 20, 2002. GM VOICEMAIL EXPRESS. *TT
ARB02123
Aug 9, 2002
100000 POWER TRAIN
ACTION RETURN BULLETIN REGARDING MODULE ASSEMBLY - POWERTRAIN CONTROL. *TT
020843004
Aug 1, 2002
137000 VISIBILITY:REAR WINDOW WIPER/WASHER
SOME OWNERS OF 2003 HUMMER H2 MAY COMMENT THAT THE REAR WINDOW WASHER SPRAY NOZZLE DRIPS WHEN NOT IN USE AND / OR THEY HAVE TO WAIT AN EXTENDED PERIOD OF TIME WHILE HOLDING THE REAR WASHER BUTTON BEFORE IT SPRAYS. *TT
020861003
Aug 1, 2002
160000 STRUCTURE
SOME CUSTOMERS MAY COMMENT THAT THE STEP PAD(S) ATTACHED TO THE SIDE ASSIST (RUNNING BOARD) STEPS IS WARPING. *TT
221K2K02
Jul 1, 2002
102000 POWER TRAIN:MANUAL TRANSMISSION
INFORMATION ON C1 PISTON HOUSING ASSEMBLY, MODELS 1000, 2000, AND 2400 SERIES.*JB
241K2K02
Jul 1, 2002
980000 UNKNOWN OR OTHER
INFORMATION REGARDING MODEL YEAR 2003 HARDWARE IMPROVEMENTS, ALL ALLISON MODELS 1000,2000, AND 2400 SERIES.*JB
25WT02
Jul 1, 2002
102000 POWER TRAIN:MANUAL TRANSMISSION
SUBJECT REGARDING ACCUMULATOR RELAY VALVE, ALL WORLD TRANSMISSIONS.*JB