Land Rover Discovery: Powertrain

 Engine Speed and Torque Monitoring

The ECM constantly supplies the TCM with information on engine speed and torque through messages on the CAN powertrain systems bus. The TCM uses this information to calculate the correct and appropriate timing of shift changes. If the messages are not received from the ECM, the TCM will implement a

 Vehicle Inspection

NOTE: For additional information on systems/components that must be checked, refer to the relevant Specification section in the Workshop Manual. Vehicle inspections may be carried out for various reasons. the following sections provide clarity on specific systems/components that must be checked. I