DTC B1323-23: Horn Switch - Signal stuck low: 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 horn switch function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer logged within the body control module
- Check the operation of the horn switch. Free the stuck switch or install a new horn switch as necessary
- Refer to the electrical circuit diagrams and check the horn switch circuit for short circuit to ground. Repair the wiring harness as necessary