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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Engine Control Module - Removal







REMOVAL

NOTE: If a replacement (new) ECM is installed, a scan tool must be used to program (flash) the new ECM with vehicle specific information.

1. Disconnect the negative battery cable.
2. Disconnect the ECM harness connectors.
3. Grasp ECM and pull up firmly to release ECM from the retaining bracket.