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

Without Scan Tool

Disconnect the negative lead from the battery for a minimum of 5 minutes (this will also result in the PCM Reset). Resetting Keep Alive Memory (KAM) will clear learned values the PCM has stored for adaptive systems such as Idle and Fuel. Once the vehicle is driven, the PCM will relearn new adaptive values. It will take a few miles and the vehicle may run rough until the values are relearned.