DTC B1A04-1A: Speaker #4 - Circuit resistance below threshold: Action
WARNING: This page is about a different car, the 2021 Land Rover Range Rover and 2020 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.
- Refer to the electrical circuit diagrams and test the front right door bass speaker wiring harness for short circuit between positive and negative. Repair the wiring harness as necessary
- Confirm speaker operation to check for internal failure, replace as necessary
- Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest