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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General Module: Service and Repair

Generic Electronic Module (GEM)

REMOVAL

1. Disconnect the battery ground cable.

NOTE: Prior to removal of the GEM, it is necessary to upload module configuration information to a diagnostic tool. This information needs to be downloaded into the new module once installed.







2. Remove the pin-type retainer and the lower shield.







3. Position the RH and LH carpet aside from the center tunnel.







4. Disconnect the GEM electrical connectors.







5. Remove the GEM
1 Pull back the insulation and remove the nuts.
2 Remove the GEM.

INSTALLATION
1. To install, reverse the removal procedure.
^ Configure the GEM. Refer to Module Communications Network (Information Bus).