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Service bulletins for the 2007 Chevrolet Trailblazer

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.

890 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
SB-03-06-03-004Q2016-08-09. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. THIS WARRANTY ADMINISTRATION BULLETIN PROVIDE POLICY INFORMATION ON USING THE EL-50313 MIDTRONICS GR8 BATTERY TESTER/CHARGER FOR DIAGNOSING BATTERY REPLACEMENTS AND MAINTAINING BATTERIES ON NEW VEHICLES IN DEALER INVENTORY.
SB-06-08-47-001L2016-08-09. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE. THIS INFORMATIONAL BULLETIN PROVIDES WARRANTY INFORMATION ON USING THE SERVICE PROGRAMMING SYSTEM (SPS) FOR PROGRAMMING CONTROL MODULES
SB-0000156288-A2016-03-31. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-121802016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-D2016-03-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-121802016-03-16. Service bulletin. STRUCTURE:BODY:DOOR; ELECTRICAL SYSTEM. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-12180-A2016-03-16. Service bulletin. ELECTRICAL SYSTEM; STRUCTURE:BODY:DOOR. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
SB-29152016-03-16. Service bulletin. ELECTRICAL SYSTEM:WIRING; STRUCTURE:BODY:DOOR; EQUIPMENT:ELECTRICAL. SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PB-10037A2011-06-27. Service bulletin. ELECTRICAL SYSTEM. GM: ONSTAR IS MAKING INCOMPLETE CALLS WITHOUT THE DRIVER KNOWING. WHEN HAVE A DATA CONNECTION. *RM
07-08-54-0012008-04-14. Service bulletin. ELECTRICAL SYSTEM:HORN. EI07279 - HORN INOPERATIVE FROM STEERING WHEEL HORN PAD. *NJ UPDATED 5/19/08. *NJ
44862007-10-04. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. ONE OF THE FOLLOWING CONCERNS WHEN PROGRAMMING THE MILEAGE OR THE HOURS INTO AN EXCHANGE INSTRUMENT PANEL CLUSTER THAT IS RECEIVED FROM AN ELECTRONIC SERVICE CENTER (ESC). *NJ
43382007-06-15. Service bulletin. ELECTRICAL SYSTEM. LIGHTS FLICKER ERRATIC OPERATION OF VEHICLES ELECTRONICS. *KB
33002007-03-22. Service bulletin. ELECTRICAL SYSTEM:HORN. HORN INOPERATIVE AT TIMES. *KB
0608450062007-01-24. Service bulletin. ELECTRICAL SYSTEM:WIRING. INFORMATION TO CLARIFY THE INSTALLATION OF TRAILER WIRING HARNESS. *KB UPDATED 04-04-07. *KB
31162004-11-05. Service bulletin. ELECTRICAL SYSTEM. ENGINE STALLS WHEN AIR CONDITIONING IS TURNED ON AT IDLE. (TO INCLUDE 2005 CHEVROLET TRAILBLAZER, 2005 OLDSMOBILE BRAVADA, AND BUICK RAINIER) *SC UPDATED 01-26-07. *KB
0406030052004-08-13. Service bulletin. ELECTRICAL SYSTEM; ENGINE AND ENGINE COOLING:ENGINE. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITIONS WHEN JUMP STARTING VEHICLE. *TT

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