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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: Engine are shown. Show all

Bulletins, newest first
90032152023-01-09. Service bulletin. ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
683328102022-10-17. Service bulletin. ENGINE AND ENGINE COOLING. Service - Four Piece Oil Pan Gasket All Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only. Installation: 1. Clean the oil pan T-joints.~ 2. Fill the T-joint between the pan rail/gear housing and pan rail/rear seal retainer with sealant. Use Mopar® Silicone Rubber Adhesive Sealant or equivalent. 3. Apply a 2-mm [0.063-in] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the oil pan flange.~ 4. The four piece gasket will need to be assembled to make a complete oil pan gasket. 5. Lay the oil pan gasket(s) onto the oil pan flange.~ 6. Ensure the oil pan gasket segment joints are properly aligned. 7. Apply a 2-mm [0.063-in] bead of Mopar Engine Sealant RTV Silicone Rubber Adhesive, to the top of the oil pan gasket.~ 8. Install the oil pan. Starting from the center and working outward, tighten the oil pan bolts to 28 N·m [21 ft. lbs.].
90032152022-10-17. Service bulletin. ENGINE AND ENGINE COOLING. Part Description: 5.7L Long Block Issue Description: This 5.7L Long Block Assembly is compatible with both EGR and Non-EGR applications. An EGR Block-Off Plate (53032739AA) must be ordered when installing this Long Block Assembly in a Non-EGR application. Unless, the EGR Block-Off Plate is being transferred from the old engine.
R2118796A2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Valve Body. These may cause over drive cycling.
68332810A2021-05-03. Service bulletin. ENGINE AND ENGINE COOLING. Cummins Equipped Vehicles ONLY - The replacement oil pan gasket can be a four piece gasket rather than a single piece gasket. This applies to Cummins 5.9L and 6.7L engines only.
90026882018-06-04. Service bulletin. EQUIPMENT; ELECTRICAL SYSTEM:WIRING; ENGINE AND ENGINE COOLING. 68069384A$, R8069384A$, 68086182A$, R8027067A$, RL002012A$ - Gasket, Cylinder Head Cover Before replacing injectors for Diagnostic Trouble Codes P0201, P0202, P0203, P0204, P0205, and/or P0206, please make sure that the wiring loom and/or connector in the valve cover gasket is not the root cause to your concern. In addition, make sure that the wiring attaching nuts are torqued to their proper value.~
SB-14-001-102010-08-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL; FUEL SYSTEM, OTHER:DELIVERY:FUEL PUMP. DODGE: ELECTRONIC FUEL CONTROL ACTUATOR (FCA) AVAILABLE FOR SERVICE/NEW DIAGNOSTICS AVAILABLE FOR DTC P0251. ENGINE SURGES AT IDLE OR MIL ILLUMINATION. FURTHER INVESTIGATION MAY IDENTIFY DTC P0251-CP3 PUMP REGULATOR CONTROL-DIESEL. IF P0251 IS PRESENT, FOLLOW THE DIAGNOSTICS IN THIS SB. IF OTHER DTC'S ARE PRESENT, REPAIR AS NECESSARY BEFORE PROCEEDING FURTHER. MODEL RAM TRUCK. *PE
ECM K-012010-07-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE; ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. DODGE: CALIFORNIA EMISSIONS RECALL REPROGRAM ECM-OBD READINESS. RECALL AFFECTS RAM TRUCKS AND CAB CHASSIS. CSC LETTER WAS REC'D. *PE
25001082008-03-06. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV). POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM FREEZES IN EXTREME COLD AMBIENT TEMPERATURES -- INVOLVES INSTALLING REVISED PCV SYSTEM COMPONENTS. *NJ
18022072007-04-25. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 5.9L TURBO - DIESEL ENGINE SYSTEM ENHANCEMENTS. *KB
18022062006-08-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 5.9L TURBO-DIESEL ENGINE SYSTEM ENHANCEMENTS. *TT
25001062006-03-24. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL. POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM FREEZES IN EXTREME COLD AMBIENT TEMPERATURES. *TT
14003052005-08-19. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. CUMMINS DIESEL DIAGNOSTICS. *TT
050022005-05-18. Service bulletin. ENGINE AND ENGINE COOLING. NEW WATER PUMP FOR 3.7L ENGINE - NO LONGER COMMON WITH 4.7L. ADVANCED SERVICE INFORMATION #05-002. *TT
18017052005-05-18. Service bulletin. ENGINE AND ENGINE COOLING. LONG CRANK TIMES IN AMBIENT TEMPERATURES BELOW FREEZING. *TT
040320042005-04-13. Service bulletin. ENGINE AND ENGINE COOLING. OIL PRESSURE FALLS BELOW NORMAL DURING VEHICLE OPERATION. THIS INCLUDES CHEVROLET AND GMC 4500 SERIES AND ISUZU NPR AND NPRHD MODELS. *EH
04222004-12-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 5.7L ENGINE LONG BLOCK REPAIR / REPLACE PROCEDURES. WARRANTY PLANNING & ADMINISTRATION *TT
09005042004-04-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GROWLING SOUND ON ACCELERATION. *TT
09006042004-04-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LOW ENGINE OIL PRESSURE AT START UP IN TEMPERATURES BELOW FREEZING. *TT
18037032003-12-19. Service bulletin. ENGINE AND ENGINE COOLING. MALFUNCTION INDICATOR LAMP ILLUMINATION, ERRONEOUS DIAGNOSTIC TROUBLE CODE (DTC) P0116, P2172, P2173. *TT
1803003A2003-12-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERIC CUMMINS ENGINE CONTROL MODULE (PCM) PROCEDURE. *TT THIS BULLETIN REPLACED 18-030-03. *TT THIS BULLETIN REPLACED 18-030-03A DATED 10/17/03. TO ALSO INCLUDE 2005 RAM TRUCK. *TT
18030032003-10-23. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GENERIC CUMMINS ENGINE CONTROL MODULE (PCM) PROCEDURE. *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
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
030102003-06-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SCORED 3.7L ENGINE CRANKSHAFT. *TT

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