DTC B1A01-1A: Speaker #1 - Circuit resistance below threshold: Action
- Refer to the electrical circuit diagrams and test the front left door high range (tweeter) 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