DTC B12CB-23: Start/Stop Eco-Start Enable Button - Signal stuck low: Action
WARNING: This page is about a different car, the 2020 Jaguar XE and 2019 Jaguar XE. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To validate the repair use the Jaguar Land Rover approved diagnostic equipment to perform the routine - On Demand Self Test. If the repair is successful this DTC will no longer be logged within the body control module. Alternatively run the engine for 120 seconds and check the auto stop/start switch function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer logged within the body control module
- Refer to the electrical circuit diagrams and check the auto stop/start switch signal circuit for short circuit to ground. Repair the wiring harness as necessary
- Check the operation of the auto stop/start switch. Free the stuck switch or install a new auto stop/start switch as necessary