WARNING: This page is about a different car, the 2002 Dodge Ram Wagon, 2002 Dodge Ram Van, 2001 Dodge Ram Wagon, and 2001 Dodge Ram Van. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: Vehicles are equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see AIRBAG SAFETY PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEMS article.

Body control system consists of a combination of modules that communicate over Chrysler Collision Detection (CCD) bus circuit. Through CCD bus circuit, information related to operation of vehicle components and circuits are relayed to appropriate system module(s). This reduces complexity of vehicle wiring and size of wiring harness.

Vehicle systems that are part of body control system are as follows.

Air Bag
Chime
Communication
Door Ajar
Instrument Cluster
Interior Lighting
Power Door Locks/Remote Keyless Entry
Vehicle Theft Security
Windshield Wiper/Washer

Components that communicate over CCD bus circuit are as follows.

Air Bag Control Module (ACM)
Controller Anti-Lock Brake (CAB) Module
Central Timer Module (CTM)
Electro-Mechanical Instrument Cluster (EMIC) Module
Powertrain Control Module (PCM)

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Section 1 (Body Control Modules): Description

Use the Manual With the Right Hardware

When to See a Mechanic