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
If it fails: lemon-manuals.org.ua

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ML20 - "Check Engine" Message Displayed

NOTE: If vehicle will not start, perform Pinpoint Test AA1. AA1 - Identify Type of No Start

- Run Key On Engine Off Self-Test. Quick Test Appendix (Detailed Testing Instructions)

- Is result 111-10-111 (Pass Codes)?

Yes -- Go to Instrument Panel, Gauges, and Warning Indicators for diagnosis.

No -- Self-Test indicates a fault. Go to Diagnostic Trouble Code Charts. Manufacturer Code Charts