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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Clearing Diagnostic Trouble Codes


ECM

To clear ECM trouble codes enter diagnostics. After the segment check and the codes are displayed, select the ECM system level by pressing the "HI" button, then press the "LO" button to select the "CLEAR CODES?" test type. When "CLEAR CODES?" is displayed, push the "HI" button and the ECM codes will be cleared.

BCM

To clear BCM trouble codes enter diagnostics. After the segment check and the codes are displayed, push the "LO" button to select the BCM system level, when "BCM?" is displayed, press the "HI" button, then press the "LO" button to select the "CLEAR CODES?" test type. When "CLEAR CODES?" is displayed then push the "HI" button and the BCM codes will be cleared.

NOTE: If ECM codes are cleared at any time, snapshot code information will be lost.