Transmission Control Module (TCM)

WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport, 2017 Land Rover Discovery Sport, 2016 Land Rover Discovery Sport, and 2015 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle.

NOTE:

If a control module or a component is suspect and the vehicle remains under manufacturer warranty, refer to the Warranty Policy and Procedures manual, or determine if any prior approval programme is in operation, prior to the installation of a new module/component.

The chart below lists all Diagnostic Trouble Codes (DTCs) that could be logged in the Transmission Control Module (TCM). For additional diagnosis and testing information, refer to DIAGNOSTIC TROUBLE CODE INDEX - DTC: TRANSMISSION CONTROL MODULE (TCM) and DIAGNOSTICS - VEHICLES WITH: 9HP48 9-SPEED AUTOMATIC TRANSMISSION - AWD