DTC U0073-08: Control Module Communication Bus "A" Off - Bus signal/message failures: Action
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.
- Refer to the appropriate system wiring diagrams and check the front left heated seat cushion element power and ground circuits for open circuit, high resistance
- Refer to the appropriate system wiring diagrams and check the LIN circuit for short circuit to ground, short circuit to power, open circuit, high resistance
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest. If the fault persists, install a new front left heated seat cushion element
- Using the Jaguar Land Rover Approved Diagnostic Equipment, clear the DTCs and retest. If the fault persists, install a new front left heated seat backrest element