REMOVAL 1-To avoid voltage spike damage to either the PCM or ECM, turn ignition to off, and disconnect negative battery cables before unplugging ECM connectors. 2-Be sure to disconnect both negative cables at both batteries. 3-Remove ECM’s 50–way electrical connector bolt. (A female 4mm hex head. To remove, use a ball-hex bit or ball-hex screwdriver....
How to replace an engine computer on 2003 Dodge Caravan.
Your Engine Control Module acts as the communicator between numerous sensors within your vehicle. It processes this input and dictates the functions within your vehicle that allow it to function properly. It goes without saying that a failing ECM needs a quick and accurate diagnosis. While a failing ECM may at times not be recognized...
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