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Service bulletins for the 2005 Isuzu Ascender

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.

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

By type

By component

By trouble code

Bulletins, newest first
06050052006-09-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING AUTOMATIC TRANSMISSION SHIFT LOCK CONTROL FUNCTION. *TT
04040042006-08-04. Service bulletin. ELECTRICAL SYSTEM. PROPER CONNECTION INFORMATION TO AVOID BLOWN 125 AMP FUSE AND VARIOUS INTERIOR ELECTRICAL SYSTEM CONDITION WHEN JUMP STARTING VEHICLE. *TT
0604S0012006-08-01. Service bulletin. ELECTRICAL SYSTEM. DIAGNOSTIC INFORMATION TO CLARIFY EFFECT OF SECONDARY AIR INJECTION SYSTEM ON HEADLAMP FLICKER. *TT
063130032006-05-17. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTART GENERATION 6 (DIGITAL) SYSTEM INOPERATIVE, HAS NO POWER, LED LIGHT NOT ON. *TT
06010012006-05-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OPERATING CHARACTERISTICS OF THE ELECTRO-VISCOUS (EV) FAN CLUTCH AND DIAGNOSTIC TIPS FOR COOLING FAN NOISE, DELAYED TRANSMISSION SHIFTS AND/OR ENGINE REVVING TOO HIGH. *TT
06040032006-05-17. Service bulletin. ELECTRICAL SYSTEM. INTERMITTENT NO CRANK, NO START. *TT
05050132006-04-27. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC TIPS FOR AUTOMATIC TRANSMISSION DTC P0756. *TT
06110032006-04-06. Service bulletin. STRUCTURE:BODY:DOOR. DOOR LATCH FREEZING IN COLD TEMPERATURES. *TT
05060032006-02-15. Service bulletin. SUSPENSION. REVISED STABILIZER SHAFT REPLACEMENT (SERVICE MANUAL REVISION). *TT
05140042006-02-15. Service bulletin. UNKNOWN OR OTHER. ELIMINATING UNWANTED ODORS IN VEHICLES. *TT
05110012006-02-15. Service bulletin. SEAT BELTS:FRONT:RETRACTOR. AVOIDING FRONT SEAT BELT RETRACTOR JAMMING WHEN STORING SEAT BELT. *TT
06040012006-02-13. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) ON CHECK ENGINE LIGHT ON, DTC P0526 SET. *TT
06040022006-02-13. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) ON/DIAGNOSTIC TROUBLE CODE(S) (DTC) P0300, P0171 AND P0174, MISFIRE DUE TO FUEL INJECTOR CONNECTORS CROSSED/SWAPPED/INCORRECTLY INSTALLED. *TT
06010012006-02-13. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL LEAK AT REAR COVER ASSEMBLY AREA. *TT
05050072006-01-19. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. DIAGNOSTIC TROUBLE CODE (DTC) P0757 SET, MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATED, POOR PERFORMANCE OF TRANSMISSION, TRANSMISSION SLIPPING. *TT
0503S0022006-01-11. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. I/M READINESS AS PART OE EMISSION INSPECTION AND MAINTENANCE PROGRAM FOR OBD II VEHICLES. TO INCLUDE ISUZU I-280 AND I-350 2003 - 2005. *AK
0505S0062006-01-10. Service bulletin. POWER TRAIN. MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN SECOND OR THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE (VERIFY AND REPAIR SOURCE OF VOLTAGE LOSS IN TRANSMISSION SOLENOID POWER SUPPLY CIRCUIT. *JB
0505S0122006-01-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60 AUTOMATIC TRANSMISSION DIAGNOSTIC INFORMATION ON HARSH 1-2 UPSHIFT. *JB
005050062006-01-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN SECOND OR THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE (VERIFY AND REPAIR SOURCE OF VOLTAGE LOSS IN TRANSMISSION SOLENOID POWER SUPPLY CIRCUIT). *TT
0501S0072006-01-07. Service bulletin. ENGINE AND ENGINE COOLING. INFORMATION ON USE OF KENT MOORE BOLT EXTRACTOR TOOL KIT EN-47702 FOR REMOVING CYLINDER HEAD OR MAIN BEARING CAP BOLTS ON INLINE ENGINES. *AK
05050102005-11-14. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ENGAGEMENT TIME OF ELECTRONICALLY CONTROLLED 4L60-E TRANSMISSIONS. *TT
05050092005-09-23. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 1-2, 2-3, 3-4 SHIFT AND TORQUE CONVERTER CLUTCH (TCC) CHARACTERISTICS DURING COLD WEATHER OPERATION ON 4L60-E TRANSMISSIONS. TO INCLUDE 2006 ISUZU ASCENDER. *TT
05070022005-09-23. Service bulletin. POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SQUEAK, SQUEAL OR WHISTLE NOISE FROM FRONT. *TT
05050052005-09-12. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT
05080012005-09-01. Service bulletin. WHEELS. INFORMATION ON TIRE RADIAL FORCE VARIATION. TO INCLUDE 2006 ISUZU ASCENDER. *TT

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