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Service bulletins for the 2002 Pontiac Sunfire

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.

421 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
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.
36482006-01-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. HESITATION ON ACCELERATION AFTER INTERNAL ENGINE REPAIRS - CHECK INJECTOR HARNESS ORIENTATION. *TT
30702004-10-08. Service bulletin. ELECTRICAL SYSTEM. SERVICE ENGINE SOON LIGHT WITH DIAGNOSTIC TROUBLE CODE P0130, P0134 AND/OR P0135. *TT
0909032004-01-28. Service bulletin. ELECTRICAL SYSTEM. THE BODY CONTROL MODULE (BCM) MAY SET A FALSE CODE OF B3785. GM VOICEMAIL LOG. *TT
014112003-11-22. Service bulletin. ELECTRICAL SYSTEM. FALSE CODE B3785. SERVICE VME. *TT
2106022002-11-22. Service bulletin. ELECTRICAL SYSTEM:WIRING. THIS SERVICE IS REGARDING A WIRE ROUTING ISSUE THAT CAN LEAD TO SERVICE ENGINE SOON LAMP ACTIVATION AND VARIOUS DRIVABILITY CONCERNS. *TT
0206040112002-10-07. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING REVISED DIAGNOSTIC TROUBLE CODE P0140. *TT
010845006A2002-07-12. Service bulletin. ELECTRICAL SYSTEM. SUBJECT REGARDING AVAILABILITY OF NEW MICRO 64 ELECTRICAL TERMINALS FOR WIRING REPAIRS. *TT
2801022002-04-05. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. INFORMATION ON DIAGNOSTIC TROUBLE CODES P0753, P0758 AND P1860. *TT
1412012002-04-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING FALSE DIAGNOSTIC TROUBLE CODE P0116. *TT
1112012002-04-04. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SUBJECT REGARDING VEHICLES WITH AUTOMATIC TRANSMISSIONS SETTING DIAGNOSTIC TROUBLE CODE P0716, 717, INPUT SPEED SENSOR CODES. *TT

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