DTC B1A85-96: Ambient Light Sensor - Component internal failure: Action
- Using the Jaguar Land Rover approved diagnostic equipment, view live data (0x721C) and check the voltage status
- Normal operation - 0 - 4.5 volts
- Failure circuit voltage - 5 volts
- Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new instrument panel cluster control module