WenmarOpen by Wenmar Pro

Service bulletins for the 2008 Chevrolet Impala

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.

1003 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
SB-08-06-01-0062011-05-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GM: THERE MAY BE A SQUEALING NOISE OR VIBRATION FROM THE ENGINE ON START-UP. A RING IN THE CRANKSHAFT MAY BE SLIPPING. *RM
05-09-40-002E2011-05-11. Service bulletin. SEAT BELTS:FRONT:WEBBING; SEAT BELTS:FRONT:RETRACTOR. GM: SERVICE BULLETIN EXPLAINING WHEN THE SAFETY BELTS ARE SUPPOSED TO LOCK. *RM UPDATED 12/6/11. *PE
PIT-4730A2011-03-28. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ELECTRICAL SYSTEM. BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SATURN: ADDITIONAL DIAGNOSTIC INFORMATION FOR U0140 OR U0073. VEHICLE MAY EXHIBITS SOME SYMPTOM(S) AS DOOR LOCKS CYCLE WHILE DRIVING; INTERMITTENT NO START; SERVICE STABILITRAK DIC MESSAGE; SPEEDOMETER AND TACHOMETER FREEZE WHILE DRIVING. *PE
PIC-5268B2011-03-25. Service bulletin. SERVICE BRAKES, AIR:ANTILOCK. CHEVROLET: REPEAT BRAKE PULSATION, STEERING WHEEL DITHER, AND/OR PREMATURE BRAKE PAD WEAR. THIS CONDITION AFFECTS VEHICLES DRIVEN PRIMARILY IN MOUNTAINOUS TERRAIN. POLICE VEHICLE WITH RPO 9C1 OR 9C3. *PE
PIP-4492P2011-03-16. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). BUICK/CADILLAC/CHEVROLET/GMC/HUMMER/PONTIAC/SAAB: OIL CONSUMPTION AND/OR EXHAUST SMOKE-POSSIBLE PCV BAFFLE OR LIFTER CONCERN. UPON INSPECTION, OBVIOUS OIL WILL BE FOUND IN THE INTAKE MANIFOLD AND/OR PCV VACUUM TUBE. *PE UPDATED 3/21/11. *PE UPDATED 5/9/11. *PE UPDATED 5/25/11. *PE UPDATED 06/16/2011. *KB UPDATED A SECOND TIME ON 06/16/2011. *KB UPDATED 6/27/11. *PE
PIP-4814A2011-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BUICK/CHEVROLET/PONTIAC: EXCESSIVE OIL CONSUMPTION AND/OR BLUE EXHAUST SMOKE. ITS MORE APPARENT WHEN DRIVING HIGHWAY SPEED. RARE INSTANCES, A SES LIGHT AND ENGINE MISFIRE MAY BE ENCOUNTERED WITH A P0300 DTC. *PE UPDATED ON 06/16/2011. *KB
PIT-50282011-03-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. PONTIAC/SATURN/BUICK/GMC/CHEVROLET/CADILLAC/HUMMER: VEHICLE START AND STALLS AFTER THEFT DETERRENT MODULE REPLACEMENT. MODEL YEARS 2006-2011. DOES NOT APPLY TO VEHICLES WITH KEYLESS ACCESS SYSTEM. *PE
SB-07-09-41-010A2010-11-10. Service bulletin. AIR BAGS:FRONTAL; SEAT BELTS:FRONT:BUCKLE ASSEMBLY; SEAT BELTS:FRONT; AIR BAGS. BUICK/CADILLAC/CHEVROLET/GMC: AIRBAG LIGHT ON, DTC B0071 AND B0081 SET (DIAGNOSE AND REPLACE RIGHT FRONT SEATBELT BUCKLE, IF NECESSARY). UPON INVESTIGATION, THE TECHNICIAN MAY FIND DTC B0071 SET IN THE PASSENGER PRESENCE SYSTEM (PPS) AND A DTC B0081 IN THE SENSING AND DIAGNOSTICS MODULE (SDM). *PE
SB-09-06-03-0072010-03-26. Service bulletin. ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. CHEVROLET: MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, DTC P0480 AND/OR P0481 SET-TEMPERATURE GAUGE INDICATES HOT-COOLING FANS INTERMITTENT OR INOPERATIVE (INSTALL REVISED COOLING FAN RELAY AND HARNESS ASSEMBLY). *PE
PIC-4610A2010-03-24. 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
PIC -52222010-03-15. Service bulletin. STRUCTURE:FRAME AND MEMBERS; STRUCTURE. CHEVROLET: WATER LEAKS INTO THE INTERIOR OF THE VEHICLE. WATER COULD SHOW UP IN VARIOUS LOCATIONS IN THE INTERIOR OF THE VEHICLE, EXPECIALLY IF THE SOURCE OF THE WATER LEAK IS IN THE ROOF PANEL AREA. *PE
SB-09-05-25-0012010-03-01. Service bulletin. SERVICE BRAKES, ELECTRIC; ELECTRONIC STABILITY CONTROL (ESC). CHEVROLET: INTERMITTENT SERVICE STABILITRAK MESSAGE AFTER KEY CYCLE, DTC C0292 SET (REPROGRAM ELECTRONIC BRAKE CONTROL MODULE). *PE
SB-07-08-42-011C2010-02-18. Service bulletin. STRUCTURE:BODY; ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:FRAME AND MEMBERS. CHEVROLET: POLICE PACKAGE. DAYTIME RUNNING LAMPS (DRL), AUTOMATIC HEADLIGHTS (AHL), DOME AND COURTESY LAMPS, TRUNK RELEASE - PROGRAMMABLE OPTIONS. *PE
PIC-51012009-08-13. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING:HYDRAULIC POWER ASSIST:HOSE, PIPING, AND CONNECTIONS. CHEVROLET: FLUID LEAKS FROM UNDER THE ENGINE COMPARTMENT. IN CASES OF POWER STEERING SYSTEM REPAIRS WHERE DIAGNOSIS LEADS TO A STEERING HOSE CLAMP REPLACEMENT, REPLACE WITH CONSTANT TENSION CLAMP.
PIP-45502009-08-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: IN RARE OCCURRENCES A TECHNICIAN MAY FIND DTC P0513, AN INTERMITTENT NO CRANK/NO START. THIS DTC MAY BE CAUSED BY A TRANSIENT VOLTAGE SPIKE WITHIN THE ECM AND USUALLY OCCURS ON START UP. THE ECM MUST BE REPLACED WITH ONE THAT WAS NOT PRODUCED IN THE JULIAN DATE RANGE. *PE
PIC-5013A2009-08-13. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM; STEERING; STEERING: STEERING WHEEL/HANDLE BAR. CHEVROLET: WHEN TURNING THE STEERING WHEEL IN A PARKING LOT MANEUVER WITH THE VEHICLE NOT MOVING (FOOT ON BRAKE) RESISTANCE IS FELT IN THE STEERING WHEEL. THIS MAY HAPPEN WHEN UNDERHOOD TEMPERATURES ARE HIGH, SUCH AS AFTER AN EXTENDED ROAD CRUISE. *PE UPDATED 3/9/11. *PE
TB-09-08-49-0052009-08-04. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GENERAL MOTORS: FUEL GAUGE READS INACCURATE OF EMPTY, LOW FUEL INDICATOR ILLUMINATED, DTCS P0461 AND/OR P0463 SET (CHECK TERMINALS IN CONNECTOR X405). THIS CONDITION MAY BE DUE TO POOR TERMINAL TENSION AT CONNECTOR X405, RESULTING IN RESISTANCE AT THE AFFECTED CIRCUITS. INCLUDES THE IMPALA SS. *PE
SB-08-09-41-002C2009-07-20. Service bulletin. AIR BAGS. GENERAL MOTORS: DIAGNOSTIC INFORMATION FOR INTERMITTENT RESTRAINTS, AIR BAG (SIR) INDICATOR/LAMP ON WITH DTC(S) B0012, B0013, B0016, B0016, B0019, B0020, B0022, B0023, B0026, B0033, B0040, B0042 OR B0044 SET. THIS MAY BE CAUSED BY A LOOSE, MISSING, OR BROKEN CONNECTOR POSITION ASSURANCE (CPA) RETAINER AT THE AIR BAG FOR THE SET DTC. INCLUDES TRAILBLAZER EXT. *PE UPDATED 8/16/10. *PE UPDATED 3/12/12. *PE
PIC-4994A2009-03-14. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM. GENERAL MOTORS: INTERMITTENT ROUGH RUNING WITH VARIOUS BODY ELECTRICAL CONCERNS AT THE SAME TIME. *PE UPDATED 6/4/10. *PE
CSP-08-2662008-12-19. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; EQUIPMENT:APPLIANCE:AIR CONDITIONER; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL. CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. REDUCED HEATING AND COOLING-REPROGRAM MODULE. CERTAIN 2008 CHEVROLET VEHICLES EQUIPPED WITH DUAL ZONE MANUAL CLIMATE CONTROL (RPO CJ3) MAY HAVE SOFTWARE THAT DOES NOT ALLOW THE HEATING AND AIR CONDITIONING SYSTEM TO DELIVER MAXIMUM COLD OR MAXIMUM HOT OUT PUT. CSC LETTER WAS RECEIVED. *PE
08-06-04-0392008-12-03. Service bulletin. FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP; ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. GMC: CRANK/NO START, BLOWN FUEL PUMP FUSE (REPLACE FUSE AND REPAIR WIRING HARNESS ON CERTAIN 2006-2008 IMPALA AND IMPALA SS. *PE
PIC-4878B2008-12-02. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GMC: INACCURATE FUEL GAGE AND/OR DTC P0461. INTERFERENCE IS SUSPECTED BETWEEN THE END OF THE FLOAT ARM WHERE IT IS ATTACHED TO THE SENDING UNIT AND THE CONVOLUTED TUBING THAT IS PART OF THE SENDING UNIT. *PE UPDATED 3/13/09. *PE
PIC-49092008-11-25. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; FUEL SYSTEM, OTHER; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. GMC: 15 AMP FUEL PUMP FUSE OPEN. VEHICLE WILL CRANK BUT FAILS TO START. *PE
080322008-11-04. Service bulletin. WHEELS. CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. A CONDITION EXISTS ON YOUR POLICE VEHICLE THAT MAY CAUSE REAR WHEEL MISALIGNMENT, RESULTING IN LOWER TREAD DEPTH ON THE INBOARD SIDE OF THE REAR TIRES. CSC LETTER. *PE
082262008-11-04. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. VEHICLES EQUIPPED WITH DUAL ZONE MANUAL CLIMATE CONTROL MAY HAVE SOFTWARE THAT DOES NOT ALLOW THE HEATING AND AIR CONDITIONING SYSTEM TO DELIVER MAXIMUM COLD OR HOT OUTPUT. CSC LETTER. *PE

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