Powertrain Control Module: Removal

USE THE DRBIII(R) 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. 

The PCM engine control strategy prevents reduced idle speeds until after the engine operates for 320 km (200 miles) of usage, update the mileage and vehicle identification number (VIN) in the new PCM. use the DRBIII(R) scan tool to change the mileage and VIN in the PCM if this step is not done a diagnostic trouble code (DTC) may be set and SKIM must be done or car will not start if it is a SKIM equipped car. if a SKIM car you must do a secret key transfer also. Refer to the SELF-DIAGNOSTICS article and the DRBIII(R) scan tool.

To avoid possible voltage spike damage to PCM, ignition key must be off, and the negative battery cable must be disconnected before unplugging the PCM connectors. Note radio programs.

1. Unbolt the washer bottle filler neck and reposition.
2. Locate PCM (Fig 1 ). Disconnect the 4 PCM electrical connectors (Fig 2 ).
3. Reposition wiring harness out of the way .
   Fig 1: Locating PCM

   Courtesy of DAIMLERCHRYSLER CORP.
   Fig 2: Locating PCM Connectors

   Courtesy of DAIMLERCHRYSLER CORP.
4. Remove the 3 fasteners from PCM mounting (Fig 3 ).
5. Remove PCM (Fig 4 ).
   Fig 3: Locating PCM Mounting

   Courtesy of DAIMLERCHRYSLER CORP.
   Fig 4: Removing PCM

   Courtesy of DAIMLERCHRYSLER CORP.