DTC B134E-14: Switch Illumination Adjustment Control - Circuit short to ground or open: Action
WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To validate the repair firstly run the engine for 30 seconds and check the dimmer 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 dimmer switch circuit for short circuit to ground, open circuit, high resistance. Repair the wiring harness as necessary