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
Diagnostic Trouble Code INDEXDTC: Headlamp Leveling Control Module (HLCM) -- LR4/L319
- Diagnostic Trouble Code Index DTC: Headlamp Leveling Control Module (HLCM)
- Description Of Operation
- Headlamp Leveling Control Module (HLCM)
- DTC B1041-04: Leveling Control - System internal failures
- DTC B1087-83: LIN Bus "A" - Value of signal protection calculation incorrect
- DTC B1087-86: LIN Bus "A" - Signal invalid
- DTC B1087-88: LIN Bus "A" - Bus off
- DTC B10AE-11: Headlamp Leveling Motor - Circuit short to ground
- DTC B10AE-12: Headlamp Leveling Motor - Circuit short to battery
- DTC B10AE-64: Headlamp Leveling Motor - Signal plausibility failure
- DTC B1D64-01: Left Headlamp Swivelling Motor - General electrical failure
- DTC B1D64-04: Left Headlamp Swivelling Motor - System internal failures
- DTC B1D64-87: Left Headlamp Swivelling Motor - Missing message
- DTC B1D65-01: Right Headlamp Swivelling Motor - General electrical failure
- DTC B1D65-04: Right Headlamp Swivelling Motor - System internal failures
- DTC B1D65-87: Right Headlamp Swivelling Motor - Missing message
- DTC B1D68-00: Left Headlamp Swivelling Feedback Sensor - No sub type information
- DTC B1D69-00: Right Headlamp Swivelling Feedback Sensor - No sub type information
- DTC U0001-88: High Speed CAN Communication Bus - Bus off
- DTC U0101-00: Lost Communication with Transmission Control Module - No sub type information
- DTC U0102-00: Lost Communication with Transfer Case Control Module - No sub type information
- DTC U0121-00: Lost Communication With ABS Control Module - No sub type information
- DTC U0126-00: Lost Communication With Steering Angle Sensor Module - No sub type information
- DTC U0132-00: Lost Communication With Suspension Control Module "A" - No sub type information
- DTC U0140-00: Lost Communication With Body Control Module - No sub type information
- DTC U0300-00: Internal Control Module Software Incompatibility - No sub type information
- DTC U0402-00: Invalid Data Received From Transmission Control Module - No sub type information
- DTC U0403-00: Invalid Data Received From Transfer Case Control Module - No sub type information
- DTC U0415-00: Invalid Data Received From Anti-Lock Braking System Control Module - No sub type information
- DTC U0421-00: Invalid Data Received from Suspension Control Module A - No sub type information
- DTC U0422-00: Invalid Data Received From Body Control Module - No sub type information
- DTC U0428-00: Invalid Data Received From Steering Angle Sensor Module - No sub type information
- DTC U2100-00: Initial Configuration Not Complete - No sub type information
- DTC U2101-00: Control Module Configuration Incompatible - No sub type information
- DTC U3002-81: Vehicle Identification Number - Invalid serial data received
- DTC U3003-16: Battery Voltage - Circuit voltage below threshold
- DTC U3003-17: Battery Voltage - Circuit voltage above threshold
- DTC U3003-62: Battery Voltage - Signal compare failure
- Description Of Operation
Factory Service Tools
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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.