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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Passive Anti-Theft System (PATS) Parameter Reset




Passive Anti-Theft System (PATS) Parameter Reset





1. Turn the key from the OFF position to the RUN position.

2. From the scan tool, enter TOOLBOX. Select BODY - SECURITY - PATS Functions and follow the Integrated Diagnostic System (IDS) on-screen instructions to ENTER SECURITY ACCESS.

3. NOTE: If the Body Control Module (BCM) was replaced on vehicles equipped with PATS, at least two keys must be programmed to the BCM. After completing step 3, do not disconnect the scan tool and follow the Erase All Keys and Program Two Keys procedure.

From the scan tool, select "Parameter Reset" and follow the IDS on-screen instructions.