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Service bulletins for the 2002 GMC Sierra

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

659 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Electrical system are shown. Show all

Bulletins, newest first
PIC3718E2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles may have a no power or no connect concern. Technician will find that the OnStar led is red and Diagnostic Trouble Code U1500 is set. Technician will need to replace the Vehicle Communication Interface Module if the Station Identification number falls in the ranges 14,000,000 - 16,000,000 or 22,000,000 - 23,200,000.
PIC4935D2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that during battery parasitic drain test, there may be some confusion as to what the normal power consumption reading should be from the OnStar system. Technician should understand the power cycles of the various OnStar systems. All Generation 6, 7, 8, and 9 systems are powered up continuously for 48 hours from ignition off. After 120 hours from ignition off, these systems then completely power off. The Onstar modules draw: * IGN ON - 240 to 400 Milliamp. * IGN OFF - 3 to 20 Milliamp for 48 hours or 120 hours on Gen 9 and vehicle communication platforms. * IGN OFF - 0.2 to 0.8 Milliamp after 48 hours or 120 hours on Gen 9 and vehicle communication platforms.
PIP50722017-08-15. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY; ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that have slip in forward ranges immediately after replacing the input housing. Technician will inspect the 3-4 clutches and the forward clutch oil feed passages for leakage between circuits. Technician should apply regulated compressed air to the 3-4 clutch feed hole and the forward clutch feed hole one at a time with the input housing. Technician will need to replace the input housing if there is an air leak 3-4 clutches.
PIT5485A2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN, IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE.
PIT5485B2016-11-03. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN IF UNABLE TO PLACE AN ONSTAR CALL IN THE IGNITION ON MODE AFTER THE ONSTAR CANADA UPGRADE, TO CONTACT THE GM TECHNICAL ASSISTANCE CENTER ONSTAR GROUP FOR FURTHER ASSISTANCE.
PIC4935E2016-10-25. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
PIC-4935-E2016-08-17. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO HELP THE DEALERSHIP TECHNICIANS PERFORM A PARASITIC DRAIN TEST FOR THE ONSTAR MODULE. WHEN PERFORMING BATTERY PARASITIC DRAIN TEST, THERE MAY BE SOME CONFUSION AS TO WHAT THE NORMAL POWER CONSUMPTION READING SHOULD BE FROM THE ONSTAR SYSTEM.
PIC-5050-A2016-08-17. Service bulletin. ELECTRICAL SYSTEM. THIS PRELIMINARY INFORMATION COMMUNICATION ADVISES THE TECHNICIAN THE STEPS ON REPAIRING THE CONCERN. A CUSTOMER MAY IDENTIFY A CONCERN OF UNABLE TO REACTIVATE A VEHICLE'S ONSTAR THAT HAS BEEN PREVIOUSLY DISABLED BY ONSTAR. DEALER IS TO CALL GENERAL MOTORS TECHNICAL ASSISTANCE CENTER FOR FURTHER ASSISTANCE IF THE CONCERN IS STILL PRESENT.
055002016-05-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
CSP-104142012-04-06. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. GMC/CHEVROLET: SEE DOCUEMTN SEARCH BUTTON FOR OWNER LETTER. AUXILIARY BATTERY FEED MAY CAUSE FUSIBLE LINK TO MELT AND OPEN CIRCUIT TO PREVENT DAMAGE OR FIRE IN WIRING HARNESS, DUE TO ELECTRICAL OVER LOAD. *PE
08089-B2009-02-10. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). GENERAL MOTORS CORP: SPECIAL COVERAGE ADJUSTMENT; ANALOG ONSTAR DEACTIVATION. *PE UPDATED 2/17/09. *PE
33002007-03-22. Service bulletin. ELECTRICAL SYSTEM:HORN. HORN INOPERATIVE AT TIMES. *KB
055002005-11-10. Service bulletin. ELECTRICAL SYSTEM:IGNITION. THE IGNITION DISTRIBUTOR CAP AND ROTOR MAY CORRODE AND CAUSE IGNITION SYSTEM FAILURE. A PRODUCT EMISSION RECALL TO INSPECT / REPLACE THE DISTRIBUTOR IGNITION SYSTEM. *TT GM PARTS BULLETINS & INFORMATION. *TT
34272005-10-21. Service bulletin. ELECTRICAL SYSTEM. ADDITIONAL DIAGNOSTIC INFORMATION DTC P0757. *TT
33572005-05-11. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LIGHT IS ON AND THE VEHICLE HAS A CODE P0706. *TT
31552005-05-11. Service bulletin. ELECTRICAL SYSTEM. NO SHIFT, SPEEDOMETER ERRATIC/INOPERATIVE, P0721 C0237 P0500 C0055. *TT
33592005-04-21. Service bulletin. ELECTRICAL SYSTEM. INTERIOR LIGHTS INOPERATIVE AFTER BCM REPLACEMENT B2618 DIAGNOSTIC TROUBLE CODE. *TT
3300C2005-04-18. Service bulletin. ELECTRICAL SYSTEM:HORN. APPLICATION OF HORN AT HORN PAD INOPERATIVE. RKE FUNCTION FOR PANIC ALARM WORKS. *TT
100420022005-04-13. Service bulletin. ELECTRICAL SYSTEM. RPO C82 NO LONGER INCLUDE THE INSTRUMENT PANEL JUMPER WIRING HARNESS. *EH
30942004-11-05. Service bulletin. ELECTRICAL SYSTEM. ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE. (2005 CHEVROLET KODIAK AND 2005 GMC TOP KICK) *SC
31682004-11-04. Service bulletin. ELECTRICAL SYSTEM. TRACTION OFF LAMP BEING ILLUMINATED. SUPPLEMENT TO TSB: 03-05-25-002. *TC
01250C2004-07-14. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY. BATTERY OR CHARGE INDICATOR LIGHT REMAINS ON FOR UP TO 30 SECONDS AFTER A COLD START AND ENGINE RUNNING. *TT
200401462004-07-13. Service bulletin. ELECTRICAL SYSTEM. SOME CUSTOMERS MAY HAVE EXPERIENCE VEHICLE SERVICE ENGINE SOON (SES) LIGHT ILLUMINATION, LOW ENGINE POWER, HARD START, AND/OR FUEL IN CRANKCASE, REQUIRING INJECTOR REPLACEMENT, AS A RESULT OF HIGH FUEL RETURN RATES DUE TO FUEL INJECTOR BODY CRACKS OR BALL SEAT EROSION. *MJ
019272004-07-13. Service bulletin. ELECTRICAL SYSTEM. A NO CHARGE CONDITION WITH DIAGNOSTIC TROUBLE CODE (DTC) P0380, P0621. *TT
01217B2004-07-07. Service bulletin. ELECTRICAL SYSTEM. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODES (DTC) P1711, P0872 AFTER COMPLETING REPAIRS. *MJ

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.