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Service bulletins for the 2003 Dodge Ram

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.

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

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Only bulletins with component: Transmission control module are shown. Show all

Bulletins, newest first
08015052005-04-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). POWERTRAIN CONTROL MODULE INITIALIZATION. *SC
100232004-09-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). POWERTRAIN DIAGNOSTIC INFORMATION. SERVICE INFORMATION TUNEUPS. *TT
422004-04-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THE POWERTRAIN CONTROL MODULE (PCM) ELECTRICAL CONNECTORS ON CERTAIN TRUCKS MAY ALLOW WATER TO ENTER INTO THE CONNECTORS. WATER AND THE RESULTING CORROSION IN A PCM CONNECTOR CAN CAUSE THE SPEED CONTROL AND/OR TRANSMISSION OVERDRIVE FUNCTION TO BECOME INOPERATIVE. CUSTOMER SATISFACTION NOTIFICATION NO C42. *TT
C172003-08-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). THE POWERTRAIN CONTROL MODULE (PCM) WAS PROGRAMMED WITH ERRORS IN THE AUTOMATIC TRANSMISSION DIAGNOSTIC INFORMATION. AS A RESULT, THE PCM WILL NOT DETECT A TRANSMISSION GOVERNOR PRESSURE SENSOR PROBLEM, OR ILLUMINATE THE MALFUNCTION INDICATOR LIGHT (MIL) IF THIS SENSOR FAILS IN THE FUTURE. THE POWERTRAIN CONTROL MODULE (PCM) MUST BE REPROGRAMMED (FLASHED). *TT
030022003-08-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SERVICE ACTION 03-002 - INOPERATIVE SOFTWARE, SERVICE BULLETIN #18-005-03 REV A, FLASH: TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS/POSSIBLE MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION. *TT

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