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Service bulletins for the 2007 GMC Sierra

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.

1631 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
43032008-01-30. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). 4 WHEEL DRIVE INOPERATIVE FRONT AXLE WILL NOT ENGAGE - KEYWORDS CLUNK GRIND GROWL K2 K3 EQUIPPED WITH A 9.25 FRONT DIFFERENTIAL. *NJ UPDATED 2/27/08. *NJ
072932008-01-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. TRANSMISSION OVERHEAT IN EXTREME COLD AMBIENT TEMPERATURES - REPROGRAM TCM. LOCATED IN ALASKA AND MINNESOTA; CANADIAN YUKON AND NORTHWEST TERRITORIES ONLY. *NJ CSC WAS RECEIVED. UPDATED 3/13/08. *NJ UPDATED 4/24/08. *NJ UPDATED 7/8/09. CSC LETTER WAS RECEIVED. *PE
073202008-01-23. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. CHEVROLET GMC SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. FRONT AXLE VENT TUBE KINKED - FLUID LEAK. *NJ CSC WAS RECEIVED. UPDATED 4/24/08. *NJ
41122007-12-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); POWER TRAIN:AUTOMATIC TRANSMISSION. SAG OR HESITATION ON ACCELERATION (NORMAL OPERATING CHARACTERISTICS). EQUIPPED W/ GASOLINE ENGINE AND AUTOMATIC TRANSMISSION. *NJ UPDATED 1/30/08. *NJ UPDATED 10/01/08. *PE UPDATED 8/12/09. *PE UPDATED 9/23/13. *PE UPDATED 11/12/13. *PE
PIP42192007-10-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DIAGNOSIS FOR SERVICE FAST LEARN ADAPTS FAILS, NO FORWARD OR NO REVERSE. *NJ UPDATED 4/1/08. *NJ
2072007-09-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. FLUID LEAK FROM THE EXTENSION HOUSING SEAL ON 4L80E/4L85E TRANSMISSION. *KB
40522007-09-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 2-3 UPSHIFT SLIP OR FLARE. *KB
41332007-09-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION SLIPS, WILL NOT SHIFT, SES LIGHT MAY BE ILLUMINATED. *KB
41682007-08-13. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LOW POWER, POOR PERFORMANCE, OR BUSY SHIFTING. *KB UPDATED 09-26-07. *KB
41442007-08-03. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. ALLISON LCT1000 HARSH 3-2, 2-1 DOWNSHIFT, AND ABS MAY ACTIVATE. *KB
40302007-06-15. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS. *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
39102007-01-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON TRANSMISSION EQUIPPED VEHICLES SETTING DIAGNOSTIC TROUBLE CODE (DTC) P0877. VEHICLES EQUIPPED WITH ALLISON LCT1000 MW7 TRANSMISSION. *KB
05-04-21-0032005-11-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT

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