TCM Initialization

STANDARD PROCEDURE - TRANSMISSION CONTROL MODULE INITIALIZATION

NOTE: Refer to the following table when the Transmission Control Module (TCM) and/or transaxle has been replaced to determine if the TCM memory must be erased.






INITIAL LEARN (BRAND-NEW MODULE, MEMORY ALREADY CLEAR)

Battery must be connected. If the Totally Integrated Power Module (TIPM) is to be configured, configure the TIPM and then turn ignition key to OFF/LOCKED briefly, then back to RUN. The shifter must be in PARK or NEUTRAL, engine not running.

1. Turn the ignition key to RUN for 4 seconds to allow reading of new values.
2. Turn ignition key to OFF/LOCKED for 2 seconds to allow storing new values in EEROM.
3. Turn the ignition key to RUN, with scan tool clear DTCs.
4. Turn ignition key to OFF/LOCKED for 2 seconds.
5. After at least 7 seconds, read DTCs.
6. If DTCs resets Component Tests and General Diagnostics

RELEARN, AFTER REPLACING A TRANSAXLE

1. Turn ignition key to RUN.
2. Clear learning memory using the scan tool.
3. Turn the ignition key to OFF/LOCKED for 2 seconds.
4. Turn the ignition key to RUN Clear DTCs.
5. Turn the ignition key to OFF/LOCKED for 2 seconds.
6. Turn ignition key to RUN.
7. After at least 7 seconds, read DTCs.
8. If DTCs resets Component Tests and General Diagnostics