DTC B1B56-46: Sunroof Module - Calibration/parameter memory failure: Action

WARNING: This page is about a different car, the 2018 Land Rover Discovery and 2017 Land Rover Discovery. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: To validate the repair firstly run the engine for 30 seconds and check the roof opening panel function, then use the Jaguar Land Rover approved diagnostic equipment to check this DTC is no longer logged within the body control module

Using the Jaguar Land Rover approved diagnostic equipment, perform the routine - Calibrate Sunroof (2039). Clear the DTCs and retest, if the fault persists install a new roof opening panel control module