2003-2004 Dodge RAM 1500, 2500, 3500 Pickup Truck Service Manual

This comprehensive service manual covers Dodge RAM 1500, 2500, and 3500 pickup trucks from 2003-2004. It details troubleshooting and repair procedures for various systems, including powertrain and transmission diagnostics. Part Number: C4077-90960.

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Document Details

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Document Number / Seller:
29521 / Dorothy Morales
File Size:
156.03 MB
File Type:
ZIP
Language:
English
Pages:
5000+
Printable:
Yes
Category:
Truck
Last updated / verified
Oct 11, 2025

Models Covered & Key Technical Specifications

Detailed Shop Diagnostic Manual: Dodge RAM 1500, 2500, 3500, ´03-´04 repair guide Assembly-Guide Covers 2003-2004 Dodge RAM 1500, 2500, 3500 pickup trucks with procedures for powertrain and transmission diagnostics. Series Vault.

  • General Reservoir Specs: 4WD transmission control modules are designed for precise operation Specifications.
  • Defined Displacement Data: The 45RFE/545RFE transmission delivers optimal torque management based on sensor feedback Norms.
  • Key Dimensional Tolerance: For accurate gear changes, the control system requires adaptive parameter adjustments Bounds.
  • Factory Fluid Capacity: The Powertrain Control Module indicates engine speed for proper operation Topology.
  • Defined Physical Specs: The NGC module controls the throttle plate position based on torque management Protocol.
  • Key Displacement Data: Transmission operation and shift scheduling at various oil temperatures establishes component integration Architecture.

Professional Workshop Service Manual & Technical Specifications

Detailed Shop Diagnostic Manual: Dodge RAM 1500, 2500, 3500, ´03-´04 repair guide Assembly-Guide

Unit-Designations: 2003-2004 Dodge RAM 1500, 2500, 3500 pickup trucks // Design-Core: Truck / NGC powertrain Logic // Unit-Designations: All mechanical and electrical diagnostics.

Component Technical-Path Calibration-Data
Powertrain Control Module NGC 2003-2004
Transmission Control Module 45RFE/545RFE 2003-2004
Engine Control Module CM848 (Diesel) 2003-2004
Diagnostic Tools DRBIII, Miller #8815 Required
Systems Monitored Fuel, Ignition, Charging Continuous

Maintenance hierarchies are structured into the following sections:

  • Introduction covering system coverage and troubleshooting procedures.
  • System Description and Functional Operation detailing powertrain and electronic throttle control.
  • Diagnostic Trouble Codes providing step-by-step instructions for various DTCs.
  • Communication outlining procedures for diagnosing various communication failures.
  • Driveability sections covering diesel and gasoline engine performance issues.

Logically requiring comprehensive coverage of vehicle systems and their interconnections, this manual details adjustments and maintenance procedures. The manual documents torque specifications for various components to ensure proper vibration dampening. It provides extensive information on diagnostic systems, including troubleshooting steps for common issues like intermittent codes and system communication failures.

FAQ

What **essential** testing parameters are covered for diagnosing the 2003-2004 Dodge RAM's powertrain system? keyboard_arrow_down

10+ parameters are covered for diagnosing the powertrain system, including fuel pressure, engine speed, and various sensor readings to ensure proper operation.

Check the **correct** diagnostic procedures for issues related to the transmission control module. keyboard_arrow_down

10+ procedures are documented for diagnosing transmission control module issues, including identifying DTCs and performing system tests.

What does the **documented** fluid capacity requirements refer to for the 45RFE/545RFE transmission? keyboard_arrow_down

45RFE/545RFE transmissions have 5 or 6 forward gear ratios, with specific clutch pack names like 2nd Clutch (2C), 4th Clutch (4C), and Low/Reverse Clutch (LR) detailed in the manual.

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Reviews (3)

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This service manual was incredibly helpful for maintaining my RAM. The download process was smooth and I received the link almost instantly. Highly recommended!
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The manual covers everything you need to know about my Dodge RAM. The download was seamless and I appreciated the prompt customer support. Great value!
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I found this manual to be very comprehensive and easy to follow. The support team was quick to assist me with my questions. A must-have for any Dodge RAM owner!