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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Control Module: Service and Repair




Transfer Case Control Module Replacement





Remove or Disconnect


1. Negative battery cable
2. Sound insulating panels from inder the right and left sides and the center of the instrument panel.
3. Knee bolster frome under steering column.
4. TCCM retaining screws from bracket.
5. Electrical connector.
6. TCCM from vehicle.

Install or Connect

1. TCCM to vehicle.
2. Electrical connector to TCCM.
3. TCCM retaining screws to bracket.
4. Knee bolster under steering column.
5. Sound insulating panel to the center and right and left sides of the instrument panel.
6. Negative battery cable.