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Service bulletin 42

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10006005
Published by NHTSA2004-04-06
Manufacturer's number42
Manufacturer's date2004-02-01
NHTSA componentPOWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

NHTSA's summary

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

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Transmission and driveline, Automatic transmission, Transmission control module

Vehicles listed
DODGE RAM2003

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
05V4620002005-10-06. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
08030062007-03-23. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *KB
08015052005-04-26. Service bulletin. POWERTRAIN CONTROL MODULE INITIALIZATION. *SC
100232004-09-20. Service bulletin. POWERTRAIN DIAGNOSTIC INFORMATION. SERVICE INFORMATION TUNEUPS. *TT
442004-04-06. Service bulletin. CUSTOMER SATISFACTION NO. C44. TRANSMISSION COOLER LINE ON CERTAIN VEHICLES CAN TRANSMIT HIGH PRESSURE PULSES WHEN THE VEHICLE IS OPERATED AT HEAVY LOADS. *TT
C172003-08-29. Service bulletin. 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. 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
18015032003-06-05. Service bulletin. POWERTRAIN CONTROL MODULE (PCM) SHIFT QUALITY IMPROVEMENTS FOR A NO SHIFT OUT OF THIRD GEAR CONDITION. *TT
02026A2003-04-03. Service bulletin. THE TRANSMISSION MAY OVERHEAT DUE TO A RESTRICTION IN THE TORQUE CONVERTER DRAIN BACK VALVE AND MAY CAUSE DAMAGE TO THE TRANSMISSION. *TT
012003-04-03. Service bulletin. CUSTOMER SATISFACTION NOTIFICATION - 3/8" TORQUE CONVERTER DRAIN BACK VALVE. *TT
332003-04-02. Service bulletin. CUSTOMER SATISFACTION NOTIFICATION - TORQUE CONVERTER DRAIN BACK VALVE. *TT