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Service bulletins for the 2004 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.

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

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By component

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Only bulletins with component: Equipment and accessories are shown. Show all

Bulletins, newest first
05110012007-10-30. Service bulletin. EQUIPMENT:OTHER:LABELS. CENTER HIGH-MOUNT STOP LAMP (CHMSL) APPLIQUE LOOSE. *NJ
063130032006-05-17. Service bulletin. EQUIPMENT:ELECTRICAL. ONSTART GENERATION 6 (DIGITAL) SYSTEM INOPERATIVE, HAS NO POWER, LED LIGHT NOT ON. *TT
05120022005-09-01. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INTERMITTENT SLOW TO COOL HVAC PERFORMANCE CONCERNS IN HIGH AMBIENT TEMPERATURES AND/OR HIGH HUMIDITY CONDITIONS AFTER START UP, ESPECIALLY AT LOW ENGINE SPEEDS. *TT
05130022005-05-10. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. BUZZ TYPE NOISE COMING FROM REAR SPEAKERS. *EH
05130012005-05-10. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. BOSE RADIO MAY HAVE POOR FIDELITY. *EH
05030012005-05-10. Service bulletin. EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. REVISED INSPECTION MAINTENANCE EVAPORATIVE EMISSION SYSTEM SET PROCEDURE. *EH
05130022005-05-10. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. COMPACT DISC PLAYER SKIPPING INOPERATIVE SLUGGISH AND OR LONG SEARCH TIMES. *EH
05120012005-05-10. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INTERMITTENT A/C PERFORMANCE CONCERNS IN HIGH AMBIENT TEMPERATURES AND OR HIGH HUMIDITY CONDITIONS ESPECIALLY AT LOW ENGINE SPEEDS. *EH FINAL RELEASE. *TT
0412S0062004-10-19. Service bulletin. EQUIPMENT. POOR HEATER PERFORMANCE 2ND AND 3RD ROW SEATS. *TT
0413S0012004-10-19. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. POP NOISE HEARD FROM THE REAR SPEAKERS WHEN REAR SEAT AUDIO (RSA) IS TURNED ON OR OFF. *TT
0411S0012004-07-30. Service bulletin. EQUIPMENT:OTHER:LABELS. INCORRECT PAINT CODE LISTED ON SERVICE PARTS IDENTIFICATION LABEL. *TT
0413S0012004-07-30. Service bulletin. EQUIPMENT:ELECTRICAL. UTILIZING TECH 2 TO RETRIEVE PART NUMBER FOR RADIOS, COMPACT DISC (CD) CHANGERS AND INSTRUMENT PANEL CLUSTERS (IPC). *TT
0412S0052004-07-20. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. HVAC CONTROL MODULE MEMORY FUNCTIONS ELIMINATION OF CLIMATE CONTROL PERSONALIZATION FEATURE. *TT
0412S0042004-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. REAR HEATER & AIR CONDITIONING (A/C) PIPE REPLACEMENT/REPAIR. *TT
0412S0032004-05-07. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. J44551 AIR CONDITIONER SUCTION SCREEN KIT REPAIR RECOMMENDATIONS AND PROCEDURES AFTER COMPRESSION FAILURES. *TT

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