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)

Or, hide this message: temporarily or permanently

Control Module: Service and Repair




Transmission Control Module Replacement

Removal Procedure

Caution: Refer to Battery Disconnect Caution in Cautions and Notices.

1. Disconnect the battery negative cable.
2. Disconnect all of the electrical connectors from the control module and the module interface.




3. Remove the three screws securing the module interface to the bracket.
4. Remove the four screws, the washers, and the nuts securing the bracket to the frame rail.
5. Remove the four screws securing the control module to the bracket.

Installation Procedure




1. Install the four screws in order to secure the control module to the bracket.
2. Install the four screws, the washers, and the nuts in order to secure the bracket assembly to the frame rail.
3. Install the three screws in order to secure the module interface to the bracket.
4. Connect all of the electrical connectors to the control module and to the module interface.

Caution: Refer to Battery Disconnect Caution in Cautions and Notices.

5. Reconnect the battery negative cable.