Service bulletins for the 2004 Jeep Grand Cherokee
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.
81 on file from NHTSA, as of 2026-10-19.
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Only bulletins with component: Transmission control module are shown. Show all
| 18-042-14 | 2018-06-18. Service bulletin. ELECTRICAL SYSTEM:SOFTWARE; ELECTRICAL SYSTEM; POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). Generic Powertrain Control Module (PCM) Procedure This bulletin involves programming a generic PCM with software. |
|---|---|
| 0801505 | 2005-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). POWERTRAIN CONTROL MODULE INITIALIZATION. *SC |
| 0801605 | 2005-04-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). TCM (TRANSMISSION CONTROL MODULE) INTERNAL FAULT MAY CAUSE A LOW LINE PRESSURE OR GEAR RATIO ERROR DTC (DIAGNOSTIC TROUBLE CODE). 2004-2005 JEEP CHEROKEE (INTERNATIONAL MARKET) *SC |
| 14 | 2004-05-19. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THE POWERTRAIN CONTROL MODULE (PCM) MAY HAVE BEEN PROGRAMMED WITH SOFTWARE THAT CAN CAUSE THE ON-BOARD DIAGNOSTIC SYSTEM TO MALFUNCTION. EMISSION RECALL NO. D14. *TT |
| 1801404 | 2004-05-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). 42RLE SLOW OR HARSH GEAR ENGAGEMENT AFTER INITIAL COLD START. *TT *MJ |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.