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.
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HOMESERVICE MANUALSLAND ROVER2013RANGE ROVER SPORT HSEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDIAGNOSTIC TROUBLE CODE INDEX DTC: TRANSMISSION CONTROL MODULE (TCM) -- RANGE ROVER SPORT/L320DIAGNOSTIC TROUBLE CODE INDEX DTC: TRANSMISSION CONTROL MODULE (TCM)DESCRIPTION AND OPERATIONDTC U0140-63: LOST COMMUNICATION WITH BODY CONTROL MODULE - CIRCUIT/COMPONENT PROTECTION TIME-OUTACTION
2013 Land Rover Range Rover Sport HSE
DTC U0140-63: Lost Communication With Body Control Module - Circuit/component protection time-out: Action
2013 Land Rover Range Rover Sport HSESECTION Action
- Check for other CAN bus codes. Refer to the appropriate system wiring diagrams and check the module connector and power/ground circuits. Refer to network communication service information. Using the manufacturers approved diagnostic system, complete a CAN integrity test
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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.