DTC B13DB-04: Left Reverse Lamp - System internal failure: Action

NOTE: To validate the repair use the Jaguar Land Rover approved diagnostic equipment to perform the diagnostic routine - On Demand Self Test. If the repair is successful this DTC will no longer be set within the body control module. Alternatively run the engine for 30 seconds and check the left reverse lamp function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer set within the body control module

Using the Jaguar Land Rover approved diagnostic equipment, clear the Diagnostic Trouble Code(s) and retest. If the fault persists, install a new left reverse lamp assembly as necessary