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Service bulletins for the 2008 GMC Yukon XL

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.

1197 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
SB-09-06-03-004A2010-03-06. Service bulletin. ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:WIRING. GM/HUMMER/SAAB: INTERMITTENT ILLUMINATION OF MIL, SERVICE LAMPS, SERVICE MESSAGES, OR DTC SET BY VARIOUS CONTROL MODULES-DIAGNOSING AND REPAIRING FRETTING CORROSION (DISCONNECT AFFECTED CONNECTOR AND APPLY DIELECTRIC LUBRICANT). *PE UPDATED 3/26/10. *PE UPDATED 6/6/11. *PE UPDATED 3/12/12. *PE
PIT-4846A2009-09-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL; ENGINE AND ENGINE COOLING:ENGINE. CADILLAC/CHEVROLET/GMC: LOCATIONS OF HIGH SPEED GMLAN WIRING CONCERNS. GAUGES INOPERATIVE, NO CRANK, HARSH TRANSMISSION SHIFTING, NO TRANSMISSION SHIFTING, DOOR LOCKS CYCLING AND INDICATORS ON. *PE UPDATED 11/17/10. *PE
SB-08-02-35-004A2009-08-05. Service bulletin. STEERING: STEERING WHEEL/HANDLE BAR; STEERING. GENERAL MOTORS: THE LEFT AND/OR RIGHT STEERING WHEEL LOWER (SPOKE) COVER IS WARPED, LOOSE, DISCOLORED OR JUST FITS POORLY IN THE STEERING WHEEL. THE PAINT FINISH SEEMS TO BE PEELING. *PE
TB-09-06-04-0242009-08-04. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC INFORMATION ON MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED WITH DTCS P0442,P0446, P0451, P0452, P0453, P0454, P0455 AND REPLACEMENT OF FUEL TANK PRESSURE (FTP) SENSOR/MODULE. *PE
TB-080849016B2009-08-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GENERAL MOTORS: THE LOW FUEL WARNING LIGHT COMES ON OR THE GAUGE SHOWS EMPTY WHEN THERE IS FUEL IN THE TANK. *PE UPDATED 11/04/09. *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
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
PIT-4665A2009-03-20. Service bulletin. ELECTRONIC STABILITY CONTROL (ESC); EQUIPMENT:ELECTRICAL; ELECTRICAL SYSTEM; ELECTRICAL SYSTEM:SOFTWARE. GENERAL MOTORS: DURING NORMAL DIAGNOSTICS AND/OR REPAIR VERIFICATION THE ABS LIGHT, TRACTION CONTROL AND/OR STABILITRAK INDICATORS MAY BE ON WITH NO DTC'S DISPLAYED BY THE EBCM. *PE UPDATED 11/17/10. *PE UPDATED 3/14/11. *PE
PIT-4696A2008-12-04. Service bulletin. VISIBILITY:REAR WINDOW WIPER/WASHER:MOTOR; LATCHES/LOCKS/LINKAGES:DOORS:LATCH; INTERIOR LIGHTING; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EXTERIOR LIGHTING:HEADLIGHTS; EXTERIOR LIGHTING:HEADLIGHTS:HIGH/LOW BEAM DIMMER SWITCH; EXTERIOR LIGHTING:FOG LIGHTS; EXTERIOR LIGHTING:TURN SIGNAL:FLASHER UNIT; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS; EXTERIOR LIGHTING:HAZARD FLASHING WARNING LIGHTS:UNIT; VISIBILITY:WINDSHIELD WIPER/WASHER:SWITCH/WIRING. GMC: BMC FAILURE AFTER WINDSHIELD WIPER OPERATION-KEYWORDS: AJAR DOOR DOME DRIVER DIMMER FLASHER FOG HAUL HEADLIGHT HEAD HIGH HAZARD INOP INOPERATIVE LAMP LIGHT LOCK LOW NOT ON OFF POWER PARK RADIO RAP REPEAT SIGNAL SHUT SPEED STAY SWITCH TURN TOW UNLOCK UNWANTED WINDOW. MAY BE DUE TO INTERNAL BCM DAMAGE. *PE
PIT-4613A2008-12-04. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY; ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS; ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES. GMC: INTERMITTENT NO CRANK AND/OR DISCHARGED BATTERY. COULD BE CAUSED BY A LOOSE CONNECTION AT THE 175 AMP MEGA FUSE LOCATED ON THE PASSENGER SIDE OF THE COWL. *PE
08-03-16-0042008-12-03. Service bulletin. TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS. GMC: TIRE PRESSURE LIGHT STAYS ON (REPROGRAM RCDLR) EVEN THOUGH TIRE PRESSURE VALUES ARE CORRECT. *PE
PIP-44242008-11-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. GMC: LEAK FROM TRANSMISSION OIL COOLER LINE FITTING ON VEHICLES BUILT IN APRIL OR MAY, 2008. *PE
08-04-19-0042008-11-20. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:HOSES/LINES/PIPING/FITTINGS. GMC: CORRECT FRONT AXLE VENT HOSE ROUTING. THE FRONT AXLE VENT HOSE IS MOUNTED IN THE LEFT SIDE OF THE ENGINE COMPARTMENT, AND MAY NOT BE CORRECTLY ROUTED. *PE UPDATED ON 5/1/2012. *KB
PIP-43952008-10-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: FLARE AND OR HARSH 2-3 SHIFTS. THIS CONDITION MAY BE CAUSED BY LEAKING 1-2-3-4 AND 3-5-R CLUTCH FLUID SEAL RINGS (230). MODELS CADILLACS, CHEVROLETS, GMC, HUMMERS, PONTIACS. EQUIPPED WITH 6L80 (RPO MYC) OR 6L90 (RPO MYD) AUTOMATIC TRANSMISSION. *PE
08-06-03-0072008-09-24. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GMC: NO START, NO CRANK, INTERMITTENT ELECTRICAL OPERATIONS (CHECK FOR POOR CONNECTIONS WITHIN ENGINE WIRING HARNESS JUNCTION BLOCK). *PE
08-08-42-0032008-09-24. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS:SWITCH. GMC: STOP LAMPS INTERMITTENTLY TURN OFF AFTER COMING TO A COMPLETE STOP WHILE STILL HAVING PRESSURE ON BRAKE PEDAL (REPLACE STOP LAMP SWITCH). *PE UPDATED 3/1/10. *PE
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
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
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
07-08-43-0102008-05-19. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:LINKAGES; VISIBILITY:WINDSHIELD WIPER/WASHER. WINDSHIELD WIPER STREAK AT LOW VEHICLE SPEEDS (REPLACE WINDSHIELD WIPERS AND ARMS). *NJ
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
PIP4054A2008-04-07. Service bulletin. SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. *NJ UPDATED 7/17/2008. *PE
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

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