Service bulletins for the 2008 Chevrolet HHR
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.
939 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Wiring and fuses are shown. Show all
| 100089005G | 2019-05-13. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
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| 100089005H | 2019-03-18. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty admin bulletin explains to the technician additional information may be needed when submitting transactions when doing wiring repairs. |
| 10-00-89-005C | 2018-06-04. Service bulletin. ELECTRICAL SYSTEM:WIRING; EQUIPMENT. This informational bulletin is a revision for 10-00-89-005B to add the 2014 model year and labor codes. |
| 10-00-89-005E | 2018-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty administration bulletin adds the 2016 model year to a communication which provides dealership personnel revised wiring repair labor operations and required additional information. |
| 13-08-116-001 | 2018-04-16. Service bulletin. ELECTRICAL SYSTEM:WIRING. This technical bulletin provides a procedure on suspected tampering due to aftermarket ALDL or DLC interface devices causing multiple issues. |
| 100089005D | 2017-12-22. Service bulletin. ELECTRICAL SYSTEM:WIRING. This warranty informational bulletin advised the technician that when performing a wiring repair, more information is required. |
| PIP-3869-B | 2016-08-26. Service bulletin. ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN TO ASSISTANCE DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE AN INTERMITTENT CONCERN WITH ANY OF THE TRANSMISSION ELECTRICAL OR COMMUNICATION DIAGNOSTIC TROUBLE CODES. TECHNICIAN WILL INSPECT THE TRANSMISSION WIRING HARNESS THAT IS UNDER THE BEAUTY COVER FOR THE ENGINE. IT MAY BE PINCHED AT THE ENGINE BLOCK NEAR THE OIL FILTER OR HAVE A BARE SPOT. IF NO PROBLEM IS FOUND, THEN CHECK THE 20 WAY CONNECTOR FOR PROPER CONNECTION AND PIN FIT AND FULLY RESEAT THE 20 WAY CONNECTOR. IF THERE ARE NO ISSUES FOUND WITH THE 20 WAY CONNECTOR USE SERVICE INFORMATION FOR THE DIAGNOSTIC TROUBLE CODE INSTRUCTIONS. |
| PIP-3869-C | 2016-08-26. Service bulletin. ELECTRICAL SYSTEM:WIRING; POWER TRAIN:AUTOMATIC TRANSMISSION. THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN TO ASSISTANCE DIAGNOSING AND REPAIRING VEHICLES THAT MAY HAVE AN INTERMITTENT CONCERN WITH ANY OF THE TRANSMISSION ELECTRICAL OR COMMUNICATION DIAGNOSTIC TROUBLE CODES. TECHNICIAN WILL INSPECT THE TRANSMISSION WIRING HARNESS THAT IS UNDER THE BEAUTY COVER FOR THE ENGINE. IT MAY BE PINCHED AT THE ENGINE BLOCK NEAR THE OIL FILTER OR HAVE A BARE SPOT. IF NO PROBLEM IS FOUND, THEN CHECK THE 20 WAY CONNECTOR FOR PROPER CONNECTION AND PIN FIT AND FULLY RESEAT THE 20 WAY CONNECTOR. IF THERE ARE NO ISSUES FOUND WITH THE 20 WAY CONNECTOR USE SERVICE INFORMATION FOR THE DIAGNOSTIC TROUBLE CODE INSTRUCTIONS. |
| PI-0296 | 2011-05-23. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS; ELECTRICAL SYSTEM:WIRING. GM: MALFUNCTION LIGHT IS ON AND THERE IS A MISFIRE. THERE MAY BE THREE TROUBLE CODES AND COULD BE A RESULT OF WIRING PROBLEMS AT THE FUEL INJECTOR. *RM |
| PIC-4610A | 2010-03-24. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. CHEVROLET: ENGINE POWER IS REDUCED MESSAGE AND CHECK ENGINE LAMP ON WITH DTC P0841. THE CONCERN MAY BE INTERMITTENT. OTHER DTCS THAT MAY SET ARE P0532, P0522, P0452, P0335, P0106, P0101 AND P0068. THREE AREAS WHERE WIRE CHAFFING CAN OCCUR HAVE BEEN IDENTIFIED AND CONFIRMED. *PE |
| 08-06-04-022 | 2008-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. INTERMITTENT CHECK ENGINE LIGHT ON, ENGINE POWER REDUCED MESSAGE DISPLAYED IN DIC, DTC P2135 SET (INSPECT ENGINE WIRING HARNESS FOR CHAFING AND RECRIMP ECM TERMINALS, IF NECESSARY). *NJ UPDATE 8/7/2008. *PE |
| 070845003 | 2007-11-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FRONT UNDERHOOD. INTERMITTENT NO START/LONG CRANK, START THEN STALL, CHECK ENGINE LIGHT ON, INTERMITTENTLY FUNCTIONING OR INOPERATIVE ELECTRICAL SYSTEMS, DTC P0442 OR P0449 SET (INSPECT UBEC AND REPLACE CONNECTORS AS NECESSARY) *NJ UPDATED 2/17/10. *PE |
| PIC-4578 | 2007-09-28. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. EPS/STR WHEEL CONTROL FUSE (#19) OPEN. *KB UPDATED 10/04/07. *NJ UPDATED 8/7/09. *PE UPDATED 8/1/11. *PE |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.