128
© 2022 Eaton Cummins Automated Transmission Technologies. All rights reserved.
2022.10.7
Transmission Electronic Control Unit (TECU) | Removal and Installation TRSM0940
TECU Removal
1. Connect ServiceRanger to vehicle and create a service
activity report to save current configuration settings
before removing the TECU from the Transmission.
(Refer to “ServiceRanger User Guide” TCMT0072 for
more information.)
Caution: The battery negative must be disconnected
prior to unhooking the Transmission ECU (TECU)
38-way connectors.
Caution: Do not allow contamination into the TECU or
connectors.
2. Disconnect the following connectors:
• Using a 5/32” hex wrench, unscrew and disconnect
the Transmission Harness 38-way Connector and
Vehicle Interface 38-way Connector.
3. Using a 7/16” socket, remove the 3 mounting nuts.
4. Remove the Transmission Controller Retaining
Bracket.
5. Remove the Transmission Controller assembly from
the locating studs.
To Next Page
Loading...