LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chrysler >> 2005 >> 300 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Electronic Control Modules) >> Powertrain Control Module >> Installation
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Powertrain Control Module: Installation

WARNING: This page is about a different car, the 2004 Dodge Pickup and 2004 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Certain ABS systems rely on having the Powertrain Control Module (PCM) broadcast the Vehicle Identification Number (VIN) over the bus network. To prevent problems of DTCs and other items related to the VIN broadcast, it is recommend that you disconnect the ABS CAB (controller) temporarily when replacing the PCM. Once the PCM is replaced, write the VIN to the PCM using the DRB scan tool. This is done from the engine main menu. Arrow over to the second page to "1. Miscellaneous". Select "Check VIN" from the choices. Make sure it has the correct VIN entered before continuing. When the VIN is complete, turn off the ignition key and reconnect the ABS module connector. This will prevent the setting of DTCs and other items associated with the lack of a VIN detected when you turn the key ON after replacing the PCM.
Fig 1: Removing/Installing PCM
G03563980Courtesy of DAIMLERCHRYSLER CORP.
CAUTION: Use the DRB scan tool to reprogram the new PCM with the vehicles original identification number (VIN) and the vehicles original mileage. If this step is not done, a Diagnostic Trouble Code (DTC) may be set.
  1. Install PCM and 3 mounting bolts to vehicle.
  2. Tighten bolts.
  3. Check pin connectors in the PCM and the three 32-way connectors (four 38-way connectors if equipped with NGC) for corrosion or damage. Also, the pin heights in connectors should all be same. Repair as necessary before installing connectors.
  4. Install three 32-way connectors (four 38-way connectors if equipped with NGC).
  5. Install cover over electrical connectors. Cover snaps onto PCM.
  6. Install negative battery cable.
  7. The 5.7L V-8 engine is equipped with a fully electronic accelerator pedal position sensor. If equipped with a 5.7L, also perform the following 3 steps: 
    1. Connect negative battery cable to battery.
    2. Turn ignition switch ON, but do not crank engine.
    3. Leave ignition switch ON for a minimum of 10 seconds. This will allow PCM to learn electrical parameters.
    4. The DRB III® Scan Tool may also be used to learn electrical parameters. Go to the Miscellaneous menu, and then select ETC Learn.
  8. If the previous step is not performed, a Diagnostic Trouble Code (DTC) will be set.
  9. If necessary, use DRB III® Scan Tool to erase any Diagnostic Trouble Codes (DTC's) from PCM. Also use the DRB scan tool to reprogram new PCM with vehicles original Vehicle Identification Number (VIN) and original vehicle mileage.
scientia non olet · About LEMON Manuals