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)

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Service Ignition System Message

The IPC will display this message whenever a Class 2 serial data bus request is received from the PCM. This message indicates the PCM is experiencing DTCs P13223, P1350, P1371, P1372, P1373 or P1375 (Ignition reference signal related).