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Service bulletins for the 2006 Hummer H3

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.

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

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Only bulletins with component: Engine are shown. Show all

Bulletins, newest first
000601026I2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETINS PROVIDES INFORMATION ON THE INTAKE MANIFOLD INSPECTION/REPLACEMENT AFTER SERVERE INTERNAL ENGINE DAMAGE.
000601012F2016-10-18. Service bulletin. ENGINE. THIS INFORMATIONAL BULLETIN PROVIDES INFORMATION TO GM DEALERS ON THE CORRECT CLEANING METHODS WHEN CLEANING ENGINE GASKET SEALING SURFACES.
PIP-4573-B2016-01-16. Service bulletin. EQUIPMENT; ENGINE. BUICK/SAAB/CHEVROLET/HUMMER/GMC: SOME VEHICLES ARE EXPERIENCING, AT A COLD START FOR ENGINES, REDUCTION IN ENGINE POWER AND SES LIGHT, WHEN TEMPERATURES ARE -10F (-23C) AND ALSO REAR/FRONT CRANK SEAL, CAM COVER GASKET AND DIPSTICK TUBE WILL BE LEAKING OIL. MODEL 2004-07 RAINIER, 2002-09 TRAIL BLAZER, ENVOY, 2004-12 COLORADO, CANYON, 2006-12 H3, 2005-09 97X. *PE
SB-07-06-04-019A2009-06-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. GENERAL MOTORS: INTERMITTENT MIL/SES/ DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-08 GM PASSENGERS CARS/LIGHT DUTY TRUCKS (INCL. SATURNS). *PE UPDATED 11/5/10. *PE UPDATED 4/4/11. *PE UPDATED 2/3/16. *PE
SB-0706040192007-09-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT MIL/SES, DTC P2138 WITH REDUCED ENGINE POWER (REPAIR INSTRUMENT PANEL (IP) TO BODY HARNESS CONNECTOR). 2005-2008 GM PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING SATURN. *NJ UPDATED 11/19/10. *PE UPDATED 3/30/11. *PE
0706040032007-03-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LSJ, L61, LK5, L52, LL8 ENGINE - REDUCED ENGINE POWER, MIL/SES LIGHT, DTC P1516, P2135, P2138. *KB
0506040352006-05-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; FUEL SYSTEM, GASOLINE. USAGE OF E85 FUELS IN GM VEHICLES. 1997 - 2008 ALL GM CARS AND TRUCKS. 1997 - 2008 ALL SATURN VEHICLES. *TT UPDATED. *KB UPDATED ON 10/22/07. *NJ
36942006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. A ROUGH IDLE / RUNNING CONCERN MAY BE ENCOUNTERED WITH A P0014 AND / OR P0017 DTC. *TT
3694A2006-03-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ROUGH IDLE WITH DTC P0014 AND/OR P0017 - INSPECT CAM ACTUATOR SOLENOID SCREENS AND CRANKSHAFT END PLAY. *TT
36142006-01-06. Service bulletin. ENGINE AND ENGINE COOLING. P0300 DUE TO RANDOM MISFIRES NOT FELT - POSSIBLE ACCESSORY PULLEY. *TT
0006040332005-12-02. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. I/M READINESS AS PART OF EMISSION INSPECTION AND MAINTENANCE PROGRAM FOR OBD II VEHICLES. *TT
0506040602005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. POWERTRAIN CONTROL MODULE (PCM), ENGINE CONTROL MODULE (ECM), TRANSMISSION CONTROL MODULE (TCM) DIAGNOSTIC TROUBLE CODE(S) (DTC)(S) P0601, P0602, P0603, P0604, P1621 SHARED IN MULTIPLE MODULES. *TT
0506040552005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON (SES) LIGHT ON, DIAGNOSTIC TROUBLE CODE(S) (DTC) P0442 SMALL EVAPORATIVE EMISSIONS (EVAP) LEAK AND/OR P0455 LARGE EVAP LEAK. *TT
0506010262005-12-02. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON USE OF BOLT EXTRACTOR TOOL KIT PART NUMBER EN-47702 FOR REMOVING BROKEN CYLINDER HEAD OR MAIN BEARING CAP BOLTS ON INLINE TRUCK ENGINES. *TT
34852005-10-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE MISS ON ACCELERATION AFTER SHIFTING FROM DRIVE TO REVERSE-POSSIBLE CHARACTERISTIC. *SC
34862005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT DUE TO P0455 - INSPECT FUEL FILL PIPE HOUSING POSITION. *TT
34492005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. TECH 2 DOES NOT SUPPORT CAM PHASER CONTROL - TEMPORARY SOLUTION. *TT
3338A2005-10-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. DRIVE BELT NOISE - ADJUST OR REPLACE IDLER PULLEY BRACKET. *TT POTENTIAL ALIGNMENT AND BELT ISSUES. *TT
30452005-04-20. Service bulletin. ENGINE AND ENGINE COOLING. SHUDDER OR BIND ON TRUNS IN 4 HI. *EH UPDATED 03-01-07. *KB
3221C2005-01-28. Service bulletin. ENGINE AND ENGINE COOLING. SERVICE ENGINE SOON LIGHT DUE TO A P0171 DIAGNOSTIC TROUBLE CODE. *EH 3221A NOT YET RECEIVED. *TT UPDATE. *TT
0306040302003-08-15. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS. *TT
0206040152002-05-21. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. INTERMITTENT NO CRANK, NO START CONDITION FOR 2001-2002 PASSENGER CARS AND TRUCKS. *SLC 2001-2007 GM PASSENGER CARS AND LIGHT-DUTY TRUCKS (INCLUDING SATURN). *TT

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