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.
By type
By component
By trouble code
By topic
Only bulletins with component: Transmission and driveline are shown. Show all
| 0405S008 | 2004-10-19. Service bulletin. POWER TRAIN. DIAGNOSTIC INFORMATION ON DIAGNOSTIC TROUBLE CODE P0894 AND P1870. *TT |
|---|---|
| 0405S009 | 2004-10-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC TROUBLE CODE P0757 SET, SERVICE ENGINE SOON ILLUMINATED, POOR PERFORMANCE OF TRANSMISSION, TRANSMISSION SLIPPING. *TT |
| 0405S007 | 2004-10-19. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). DIAGNOSTIC TROUBLE CODE C0379 SET, SERVICE 4WD LIGHT ON, 4WD INOPERATIVE. *TT |
| 0405005 | 2004-07-30. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DIAGNOSTIC TIPS FOR DIAGNOSTIC TROUBLE CODE (DTC) P0756 2-3 SHIFT VALVE PERFORMANCE. *TT |
| 0405S004 | 2004-07-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. AUTOMATIC TRANSMISSION SHIFT, ENGINE DRIVEABILITY CONCERNS OR SERVICE ENGINE SOON (SES) LIGHT ON AS A RESULT OF THE INSTALLATION OF AN AFTERMARKET REUSABLE, EXCESSIVELY OILED AIR FILTER. *TT |
| 0405S004 | 2004-05-18. Service bulletin. POWER TRAIN. RATTLE SOUND COMING FROM UNDER THE VEHICLE, REPOSITION TRANSMISSION OIL COOLER LINES. *TT |
| 0405002 | 2004-05-07. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON 2-3 UP-SHIFT OR 3-2 DOWNSHIFT CLUNK SOUND. *TT |
| 0405S002 | 2004-04-16. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). INOPERATIVE 4WD/AWD LAMP AND SYSTEM. *TT |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.