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Service bulletins for the 2007 Hummer H2

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.

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

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Bulletins, newest first
PIT3504D2008-09-05. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SOME CUSTOMERS MAY COMMENT ON VARIOUS HVAC CONCERNS INCLUDING TEMPERATURE DOORS DEFAULTING TO FULL HOT POSITION OR UNABLE TO OBTAIN DEFROST POSITION. *PE
08-03-10-0062008-09-03. Service bulletin. WHEELS; TIRES:BEAD. TIRE SLOWLY GOES FLAT, TIRE AIR LOSS, LOW TIRE PRESSURE WARNING LIGHT ILLUMINATED, ALUMINUM WHEEL BEAD SEAT CORROSION (CLEAN AND RESURFACE WHEEL BEAD SEAT) FOR CERTAIN 2000-2009 GM PASSENGER CARS AND LIGHT DUTY TRUCKS (INCLUDING SATURN). *PE UPDATED 04/15/2014 *JS
08-07-30-0232008-08-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E/4L70-E AUTOMATIC TRANSMISSION FLUID LEAK FROM OIL PUMP OR BELL HOUSING AREA (REPLACE TORQUE CONVERTER HUB-TO-OIL PUMP SEAL ASSEMBLY). ATTN: THIS BULLETIN APPLIES TO VEHICLES BUILT PRIOR TO DECEMBER 2007. *PE
08-04-21-0052008-07-25. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). BORG WARNER NR3, NR4 TRANSFER CASE - PARKING LOT SHUDDER, BINDS ON TURNS IN 4 HIGH OPEN, CROW HOP (REPLACE PLASTIC MODE FORK). *PE
0708450022007-11-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SERVICE ALERT: CONCERNS WITH AFTERMARKET FUSES IN GM VEHICLES 2008 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS (INCLUDING SATURN) *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
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
0306040302007-06-21. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS. VARIOUS DRIVEABILITY FUNCTIONS DUE TO CLOGGED FUEL INJECTORS, MIL/SES DTC'S P0171, P0172, P0174, P0300, P1174, P1175. *KB UPDATED 08-15-07. *KB UPDATED 8/4/09. *PE
0608500092007-04-27. Service bulletin. UNKNOWN OR OTHER. INFORMATION ON PASSENGER OCCUPANT SENSING SYSTEM CONCERNS WITH CUSTOM UPHOLSTERY, ACCESORY SEAT HEATERS OR OTHER COMFORT ENHANCING DEVICES. ALL 2007 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING SATURN *KB
0000900022007-04-27. Service bulletin. TIRES. INFORMATION ON PROPER TIRE PRESSURE. ALL GM PASSENGER CARS AND LIGHT DUTY TRUCKS FROM 2007 AND PRIOR. *KB
40402007-04-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. HARSH TCC APPLY OR TCC CYCLING. *KB
0003100062007-03-07. Service bulletin. SUSPENSION. INFORMATION ON TIRE RADIAL FORCE VARIATION (RFV). 2008 AND PRIOR GM PASSENGER CARS AND LIGHT DUTY TRUCKS INCLUDING 2008 AND PRIOR HUMMER H2, H3 AND 2005-08 SAAB 9-7X AND 2000-05 SATURN L SERIES AND 2003-07 SATURN ION. *KB UPDATED 4/11/08. *NJ UPDATED 5/27/09. *PE
0600890242007-03-05. Service bulletin. UNKNOWN OR OTHER. CAR AND TRUCK FIX IT RIGHT THE FIRST TIME ISSUES. THIS BULLETIN INCLUDES 2007 AND PRIOR PASSENGER CARS AND TRUCKS INCLUDING SATURN. *KB
0307300072007-03-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DELAYED ENGAGEMENT WHEN SHIFTING INTO THESE POSITIONS. PARK INTO REVERSE, NUETRAL INTO DRIVE, NUETRAL INTO REVERSE, AND PARK INTO DRIVE. THIS BULLETIN INCLUDES ALL 2000 - 2007 GM LIGHT DUTY TRUCKS. *KB
31362007-02-22. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD, OR 4TH. DAMAGED 2-4 OR 3-4 CLUTCH. *KB UPDATED 10/31/07. *NJ
39312007-02-22. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NO MOVEMENT WHEN THE SHIFT LEVER IS MOVED TO D4 OR D3. NORMAL OPERATION WHEN MOVED TO D2 D1 OR REVERSE. *KB UPDATED. *KB
0606040422007-01-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LR4, LY2, L33, LH6, LM7, L59, LC9, LMG, LY5, LS2, LQ9, LQ4, L76, LY6 THROTTLE ACTUATOR CONTROL (TAC). MODULE CODES, MIL/SES DTC'S P2108, P1516, U0107, REDUCED ENGINE POWER. *KB
0604210012007-01-24. Service bulletin. ELECTRICAL SYSTEM. UPDATED TRANSFER CASE CONNECTOR SERVICE KIT NOW AVAILABLE FOR TRANSFER CASE SPEED SENSOR WIRE HARNESS CONNECTOR THAT COMES LOOSE OR CONNECTOR RETAINER CLIP BREAKS. 2007 AND PRIOR GM LIGHT DUTY TRUCKS. *KB
0608450042007-01-24. Service bulletin. ELECTRICAL SYSTEM:WIRING. INSTRUMENT PANEL, BODY AND GENERAL WIRING HARNESS REPAIR. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS. *KB
0603100102007-01-08. Service bulletin. SUSPENSION. INFORMATION ON PROPER WHEEL CHANGING PROCEDURES AND CAUTIONS. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS INCLUDING SATURN. *KB
0500890782007-01-08. Service bulletin. FUEL SYSTEM, GASOLINE. FUEL SYSTEM TREATMENT PLUS, FUEL SENDING UNIT CORROSION AND FUEL SYSTEM DEPOSITS. 2007 AND PRIOR GM PASSENGER CARS AND TRUCKS INCLUDING SATURNS. *KB
34622006-12-22. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. BLOWER MOTOR IS IN-OPERABLE/ WILL NOT SHUT OFF/ DEAD BATTERY. *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
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
35212005-09-28. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. ANTI-LOCK BRAKING SYSTEM (ABS) LIGHT ON SPEEDOMETER MAY BE ERRATIC. DIAGNOSTIC TROUBLE CODE (DTC) C0055 C0235 C0236 OR C0237 STORED IN THE EBCM. *TT 1998-2008 ALL CHEVROLET, GMC, BUICK, AND OLDSMOBILE MID-SIZED TRUCKS AND UTILITIES. 1998-2008 ALL CHEVROLET, GMC, AND CADILLAC FULL SIZED TRUCKS AND UTILITIES. *KB UPDATED ON 09/20/07. *NJ

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