Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Reprogramming Procedure - Auto - Learn

The following procedure allows for anyone to reprogram the Body Function Controller (BFC) Learned Data Code without any tools (other than the scan tool) when a new Ignition Switch, Powertrain Control Module (PCM), and/or the BFC is installed. The following is the auto learn procedure:

The BFC will set the DTC 3031 Controller in learn mode when entering the reprogramming procedure.
1. Clear all DTC's
2. Turn the Ignition Switch to the START position.
3. The vehicle will start and then stall.
4. Turn the Ignition Switch to the RUN position until the THEFT SYSTEM indicator turns off (approximately 10 minutes).
5. Turn the Ignition Switch to the OFF position then back to the RUN position.
6. The BFC will learn the new data on the next start attempt.
7. Reprogram the PCM to allow the PCM to learn the new Passlock (TM) code.