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)

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Tire Pressure Monitoring System (TPMS)

DIAGNOSTIC TROUBLE CODE CHART

C1900-C1942:





CAUTION:
- During diagnosis, a DTC associated with another system may be set when the ignition switch is turned to the "ON" position with connector(s) disconnected. When diagnosis is finished, check all systems for DTC (s). If DTC (s) are set, erase them all.
- Tire pressure sensor ID registration must be done before any diagnosis.