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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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Bulletins, newest first
18030032003-10-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERIC CUMMINS ENGINE CONTROL MODULE (PCM) PROCEDURE. *TT
1800503C2003-10-23. Service bulletin. POWER TRAIN. TRANSMISSION SHIFT / SPEED CONTROL IMPROVEMENTS / POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT
18027032003-10-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. NO THROTTLE RESPONSE, LACK OF POWER WHILE TOWING AND DIAGNOSTIC TROUBLE CODES (DTC) P2638/P0700. *TT
1800503B2003-10-20. Service bulletin. VEHICLE SPEED CONTROL. TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS/POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *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
06001032003-08-27. Service bulletin. POWER TRAIN:CLUTCH ASSEMBLY. RATTLE SOUND FROM TRANSMISSION WHEN IDLING. *TT
08004032003-08-20. Service bulletin. ELECTRICAL SYSTEM. ELECTRO MECHANICAL INSTRUMENT CLUSTER - ERRONEOUS INDICATOR LAMPS. *TT
18013032003-08-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MALFUNCTION INDICATOR LAMP AND/OR ENGINE THROTTLE CONTROL (ETC) LIGHT ILLUMINATION, DIAGNOSTIC TROUBLE CODES (DTCS), AND/OR POOR IDLE QUALITY. *TT
1800503A2003-08-15. Service bulletin. VEHICLE SPEED CONTROL. TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS/POSSIBLE MALFUNCTION INDICATOR LAMP ILLUMINATION. *TT
24004032003-08-12. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. DEFROST DOOR INOPERATIVE. *TT
23018032003-08-12. Service bulletin. STRUCTURE:BODY. WHISTLING SOUND MAY BE PRESENT COMING FROM THE FRONT OF THE INSTRUMENT PANEL NEAR THE BOTTOM OF THE WINDSHIELD WHEN THE HEATER A/C BLOWER IS ON. *TT
23016032003-08-12. Service bulletin. STRUCTURE:BODY. BUZZING OR VIBRATING SOUND COMING FROM THE FRONT OF THE VEHICLE. *TT
08019032003-08-12. Service bulletin. ELECTRICAL SYSTEM. LAMP OUT INDICATOR WITH AFTERMARKET PICK UP BOX INSTALLATION. *TT
030102003-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SCORED 3.7L ENGINE CRANKSHAFT. *TT
18015032003-06-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. POWERTRAIN CONTROL MODULE (PCM) SHIFT QUALITY IMPROVEMENTS FOR A NO SHIFT OUT OF THIRD GEAR CONDITION. *TT
18014032003-06-05. Service bulletin. ELECTRICAL SYSTEM. MALFUNCTION INDICATOR LAMP (MIL) ILLUMINATION, ERRONEOUS DIAGNOSTIC TROUBLE CODES (DTC) P0300 - P0309. *TT
08007032003-06-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. REPLACEMENT OF THE ALTERNATOR SUPPORT BRACKET FOR ACCESSORY DRIVE BELT SQUEAL. *TT
18005032003-04-18. Service bulletin. VEHICLE SPEED CONTROL. TRANSMISSION SHIFT/SPEED CONTROL IMPROVEMENTS. *JB
02026A2003-04-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 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. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. CUSTOMER SATISFACTION NOTIFICATION - 3/8" TORQUE CONVERTER DRAIN BACK VALVE. *TT
332003-04-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. CUSTOMER SATISFACTION NOTIFICATION - TORQUE CONVERTER DRAIN BACK VALVE. *TT
020262003-04-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE TRANSMISSION MAY OVERHEAT DUE TO A RESTRICTION IN THE TORQUE CONVERTER DRAIN BACK VALVE. *TT
020242003-03-26. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH SHIFTS DUE TO A STICKING PRESSURE SENSOR TRANSDUCER. *TT
18035022003-02-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE THROTTLE CONTROL LIGHT ILLUMINATION AND / OR MALFUNCTION INDICATOR LIGHT ILLUMINATION WITH DIAGNOSTIC TROUBLE CODE P2181 - COOLING SYSTEM PERFORMANCE. *TT

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