DTC B121D-94: Rear HVAC Mode Control Input - Unexpected operation: Action
- Using the Jaguar Land Rover Approved Diagnostic Equipment, check datalogger signals - Rotary controls and capacitive switches status - Left rotary control - A073 - Rotary controls and capacitive switches status - Right rotary control - A073. Check the operation of the rear integrated control panel switches and rectify as required. Clear the DTC and retest
- If the fault persists, install a new rear integrated control panel as required