Powertrain Control Module (PCM) Programming

PCM Programming
1. Perform the set up.

^ The battery is charged.
^ The ignition is ON.
^ The battery/cig. lighter connection is secure.
^ The Data Link Connector is attached.

2. Perform the programming. Refer to up to date Techline terminal/equipment for user instructions.

3. After the vehicle has been programmed, operate the vehicle until the coolant temperature is greater than 77°C (170°F). This will allow the TDC Offset to be programmed (refer to PCM Programming (TDC Offset) if necessary). TDC Offset Program Procedure

4. Check the data list for a TDC Offset.

5. If the PCM fails to reprogram, do the following:
^ Check all of the PCM connections.
^ Check the Techline terminal/equipment for the latest software version.
^ Try again to reprogram the PCM. If the reprogramming fails again, replace the PCM. Refer to PCM replacement.