Transfer Case Control Module (TCCM) — replacement Ford F150
Note: The TCCM is located below the passenger side of the instrument panel, near the A pillar, attached to the firewall/floor.
1. Disconnect the negative battery cable (see Battery – disconnection and reconnection).
2. Remove the passenger kick panel trim.
3. Remove the passenger under dash panel to gain access to the TCCM.
Location of the transfer case control module
4. Locate the TCCM and disconnect the electrical connectors .
5. Loosen the lower nut and remove the upper nut, then slide the TCCM off the studs and out of the vehicle.
6. Installation is reverse of removal.