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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Service Tips (M/T)

NOTE: On manual transmission applications the Park/Neutral Position Switch and the Clutch Pedal Position Switch share the same (input) circuit and terminal pin No.30 to the Powertrain Control Module.

Diagnostic Trouble Code No. 528 is output under the following conditions:
- If the Park/Neutral Position Switch and the Clutch Pedal Position Switch or their common circuit is open or shorted.