DTC B1A01-1A: Speaker #1 - Circuit resistance below threshold: Action
- Refer to the appropriate service information and test the front left door high range (tweeter) speaker wiring harness for short circuit between positive and negative. Repair the wiring harness a 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