Powertrain Control Module (Pcm) - GPEC

The PCM must be program after it has been replaced. See  STANDARD PROCEDURE  . 

Fig 1: Removing/Installing GPEC

Courtesy of CHRYSLER LLC

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

1. Remove the air induction hose.
2. Remove the Air Cleaner Housing. Refer to appropriate Engine SERVICE INFORMATION article.
3. Disconnect the negative battery cable and isolate.
   WARNING: If the negative battery cable is not disconnected there's a possibility of damaging the Powertrain Control Module by contacting the Positive battery cable.
4. Unlock and disconnect the electrical connectors (3) at the PCM.
5. Remove one nut from the upper shock tower (1).
6. Remove one bolt from the lower shock tower (2).
7. Remove the PCM (4) from the vehicle.
8. Remove four bolts and separate the PCM and bracket.