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: RESTRAINTS CONTROL MODULE (RCM) -- RANGE ROVER SPORT/L320DIAGNOSTIC TROUBLE CODE INDEX DTC: RESTRAINTS CONTROL MODULE (RCM)DESCRIPTION AND OPERATIONDTC U0122-87: LOST COMMUNICATION WITH VEHICLE DYNAMICS CONTROL MODULE - MISSING MESSAGEACTION
2013 Land Rover Range Rover Sport HSE
DTC U0122-87: Lost Communication With Vehicle Dynamics Control Module - Missing message: Action
2013 Land Rover Range Rover Sport HSESECTION Action
- Refer to the appropriate system wiring diagrams and check the power and ground connections to the anti-lock brake system control module. Using the manufacturer approved diagnostic system, complete a CAN network integrity test. Refer to the appropriate system wiring diagrams and check the CAN network between the restraints control module and the anti-lock brake system control module
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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.