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Service bulletins for the 2008 Chevrolet Tahoe

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.

1399 on file from NHTSA, as of 2026-10-19.

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Bulletins, newest first
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
TSB -09-08-42-002009-06-15. Service bulletin. EXTERIOR LIGHTING:TAIL LIGHTS. GENERAL MOTORS: LEFT OR RGHT TAIL LAMP INOPERATIVE (INSPECT/REPAIR CONNECTOR). ONE OR MORE PINS IN THE TAIL LAMP ASSEMBLY WIRING CONNECTOR MAY BE BENT, RESULTING IN LOSS OF ELECTRICAL CONTACT. *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
07-08-45-005A2009-02-18. Service bulletin. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES; VEHICLE SPEED CONTROL:CABLES; ELECTRICAL SYSTEM:WIRING. GMC: REPLACEMENT OF HIGH AND INTERMEDIATE VOLTAGE CABLES. SOME VEHICLES (TWO MODE HYBRID SYSTEM (RPO HP2)) MAY EXHIBIT IMPAIRED OR INOPERATIVE 300V OR 42V SYSTEMS DUE TO WORN OR DAMAGED 300V OR 42V CABLES. *PE
PIT-47152008-12-05. Service bulletin. EXTERIOR LIGHTING:BRAKE LIGHTS; SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT; SERVICE BRAKES, AIR:ANTILOCK:ABS WARNING LIGHT. GMC: ABS AND BRAKE LAMP AND MULTIPLE DTC'S. FOR HYBRID VEHICLES ONLY. *PE UPDATE 6/12/09. *PE
PIT-3046E2008-12-05. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE. *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
PIP-4420B2008-11-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: CERTAIN TWO-MODE HYBRID VEHICLES MAY NOT START DUE TO LOOSE PIN FIT OR BACKED OUT TERMINALS. *PE UPDATED 10/3/11. *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
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
08-07-30-0332008-09-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. GMC: TRANSMISSION SLIP, SHUDDER OR GRIND NOISE IN FIRST, SECOND OR REVERSE, DTC P079A SET (REPLACE TRANSMISSION REAR CASE ASSEMBLY). FOR TWO-MODE HYBRIDS WITH 2ML70 AUTOMATIC TRANSMISSION. *PE
PIT4614A2008-09-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. A NO CRANK/NO START CONDITION WITH DTC B009F SET IN THE SERIAL DATA GATEWAY MODULE (SDGM) OF SOME 2008 TAHOE AND YUKON HYBRID VEHICLES. MAY BE CAUSED BY WATER INTRUSION PAST THE WEATHERPACK SEAL ON THE HIGH VOLTAGE CIRCUIT IMPACT DETECTION (HVCID) SENSOR. *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
08119A2008-08-25. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. SERVICE UPDATE FOR INVENTORY AND CUSTOMER VEHICLES; VEHICLE ENHANCEMENTS - EXPIRES WITH BASE WARRANTY. TWO MODE HYBRID VEHICLES. *PE
081872008-08-25. Service bulletin. UNKNOWN OR OTHER. SERVICE UPDATE FOR INVENTORY TWO-MODE HYBRID VEHICLES ONLY; VEHICLE QUALITY DRIVE AUDIT - EXPIRES JUNE 30, 2008. 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
PIP43742008-06-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. (HYBRID) INSPECT TRANSMISSION THREE PHASE CABLES FOR ADEQUATE CLEARANCE TO BODY. *NJ UPDATED 11/24/08. *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

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