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Service bulletins for the 2008 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.

1655 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
SB-08-07-30-0212008-08-28. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE; POWER TRAIN:AUTOMATIC TRANSMISSION; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, U0121, U0140 SET (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). VEHICLES WITH 6 SPEED 6L80 (RPO MYC), 6L90 (RPO MYD) OR HYBRID TWO MODE 2M70 AUTOMATIC. INCLUDING 2008 TAHOE AND YUKON HYBRID MODELS. *PE UPDATED 3/28/11. INCLUDING SIERRA, SILVERADO AND ESCALADE HYBRIDS. *PE
081792008-08-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES; TURBOCHARGER VANE POSITION SENSOR - REPLACE; EXPIRES WITH 5 YEAR/100,000 MILE (160,000 KM) POWERTRAIN WARRANTY. *PE
08-07-30-0212008-08-07. Service bulletin. LATCHES/LOCKS/LINKAGES:DOORS:LATCH; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM); ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. LOSS OF HIGH SPEED GMLAN COMMUNICATIONS, INTERMITTENT NO CRANK, IPC GAUGE FLUCTUATION, INTERMITTENT DOOR LOCK CYCLING, TRANSMISSION MAY NOT SHIFT, DTCS U0073, U0100, U0101, U0102, 70140 (REPAIR BACKED OUT TERMINAL IN TRANSMISSION HARNESS CONNECTOR). *PE
081422008-07-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHEVROLET SERVICE CAMPAIGN: SEE DOCUMENT SEARCH BUTTON FOR OWNER LETTER. ECM EEPROM - REPROGRAM ECM. ALL 2007 AND CERTAIN 2008 CHEVEROLET SILVERADO AND EXPRESS AND GMC SIERRA AND SAVANA EQUIPPED WITH 6.6L DURAMAX VA DIESEL (RPO LMM - VIN 6) ENGINE. CSC WAS RECEIVED. *PE UPDATED 5/5/09. CSC LETTER WAS RECEIVED. *PE
08-01-38-0022008-07-19. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN. BLOWER MOTOR INOPERATIVE (REPLACE BLOWER MOTOR) FOR EXTENDED AND CREW CAB MODELS ONLY. *PE
08-08-45-0022008-05-21. Service bulletin. ELECTRICAL SYSTEM:WIRING. LEFT OR RIGHT POWER OUTSIDE MIRROR INOPERATIVE (INSPECT WIRE HARNESS). *NJ
08-06-04-0162008-05-20. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:MASTER CYLINDER. DIAGNOSTIC INFORMATION ON MIL/SES WITH DTC P0171 (FUEL TRIM SYSTEM LEAN BANK 1) AND/OR P0174 (FUEL TRIM SYSTEM LEAN BANK 2) AFTER BRAKE MASTER CYLINDER REPLACEMENT. *NJ
PIP43482008-05-14. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DURAMAX DIESEL DPF REGENERATION CHANGES - VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMM. *NJ
PIT43662008-04-29. Service bulletin. ELECTRICAL SYSTEM:WIRING; ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL. [CHECK TRAILER WIRING] MESSAGE DISPLAYED ON DIC. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE
PIP36052008-04-28. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). DTC U0101, NO ENGINE CRANK AND NO TECH II COMMUNICATION WITH TCM. EQUIPPED WITH ALLISON LCT1000 (RPO-MW7) AUTOMATIC TRANSMISSION. *NJ
PIT46042008-04-23. Service bulletin. EXTERIOR LIGHTING:TURN SIGNAL. TURN SIGNALS FLASH FAST AFTER FACTORY BOX REMOVED. *NJ UPDATED 8/25/08. *PE
PIT45952008-04-23. Service bulletin. ELECTRICAL SYSTEM: INTEGRATED TRAILER BRAKE CONTROL; ELECTRICAL SYSTEM:WIRING. SERVICE TRAILER BRAKE MESSAGE WITH DTC C1114 AND/OR C1112. WITH RPO JL1. *NJ UPDATED 3/28/11. *PE
PIP43652008-04-23. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). TRANSFER CASE WILL NOT SHIFT POSSIBLE DTC'S C0387 AND/OR C0569. ON VEHICLES EQUIPPED WITH A MAGNA TRANSFER CASE RPO NQF. *NJ UPDATED 3/15/10. *PE UPDATED ON 6/27/2011. *KB
PIP43042008-04-07. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. DTC P0878, P2714, P2723, TRANSMISSION SLIPS IN 1ST, 2ND, 3RD, OR 4TH GEARS AND/OR LONG GARAGE SHIFTS TO DRIVE, EQUIPPED WITH A 6L50 (MYB), 6L80 (MYC), OR 6L90 (MYD) TRANSMISSION. *NJ
PIP33432008-04-07. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). POSSIBLE ENGINE OIL LEAK DUE TO PCV FREEZE-UP, EQUIPPED WITH THE 4.8, 5.3, 6.0, AND 6.2 V-8 ENGINES. *NJ
PIT35692008-04-07. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. LOW TIRE LIGHT ON AND/OR DIC CHECK TIRE PRESSURE MESSAGE WHEN COLD, WITH RPO UJ6. *NJ
PIP41052008-04-07. Service bulletin. FUEL SYSTEM, DIESEL. DURAMAX DIESELS WITH DTC P009E, VEHICLES EQUIPPED WITH THE 6.6 DURAMAX DIESEL ENGINE RPO CODE LMN. *NJ UPDATED 4/7/08. *NJ
PIP43212008-04-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK AT REAR OF ENGINE. EQUIPPED WITH A 4.8, 5.3, 6.0 OR 6.2 V8 ENGINE. *NJ
PIT42842008-04-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE STALLS AFTER BEING REMOTE STARTED. *NJ
PIT43162008-04-01. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. CHECK LOW TIRE / AFTERMARKET WHEELS / TIRE PRESSURE MONITOR / FMVSS 138 WITH (RPO UJ6). *NJ
PIP43292008-03-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). CURRENT OR INTERMITTENT DTC P0741 TCC STUCK OFF. EQUIPPED WITH 4L60E, 4L65E OR 4L70E (RPO M30, M32, M70) AUTOMATIC TRANSMISSION. *NJ
PIP43442008-03-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SHORT DURATION COLD START LIFTER TICK NOISE. EQUIPPED WITH THE 5.3 OR 6.0 ACTIVE FUEL MANAGEMENT ENGINES. *NJ
44192008-02-28. Service bulletin. PARKING BRAKE. SERVICE STABILITRAK MESSAGE C0196 AND/OR U2142. *NJ
0704170022008-02-20. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT. WHINE TYPE NOISE COMING FROM REAR OF VEHICLE (DIAGNOSE AND REPLACE REAR PROPELLER SHAFT). *NJ
42922008-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DTC P0756, P0796, P2714, P2723, TCC SHUDDER OR HARSH ENGAGEMENT, HARSH SHIFTS, WATER IN TRANSMISSION - KEYWORDS CODE CONVERTER FLUID TORQUE. EQUIPPED WITH 6L50, 6L80 OR 6L90 (RPO'S MYB, MYC, MYD) AUTOMATIC TRANSMISSION. *NJ

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