Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2016 Land Rover LR4 BaseFACTORY OEM SERVICE PROCEDURE
DTC U201A-57: Control module main calibration data - Invalid/incomplete software component: Action
NOTE:
Due to the mechanical calibration tolerance the correct mirror assembly must be used for the vehicle model types in question and it is not exchangeable with other vehicle model types
- Using the manufacturers approved diagnostic system, compare the vehicle type in the image processing control module with the car configuration file (parameter 1), if these do not match the incorrect image processing control module has been fitted
- Using the manufacturers approved diagnostic system, check the configuration of the car configuration file and software version of the module is correct
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.