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 MANUALSJAGUAR2016XJR BASEREPAIR AND DIAGNOSIS (SINGLE PAGE)QUICK LOOKUPSDTC INDEXDIAGNOSTIC TROUBLE CODE INDEX DTC: TRANSMISSION CONTROL MODULE (TCM) -- XJ/X351DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: TRANSMISSION CONTROL MODULE (TCM)DESCRIPTION AND OPERATIONTRANSMISSION CONTROL MODULE (TCM)DTC P0852-01: PARK/NEUTRAL SWITCH INPUT CIRCUIT HIGH - GENERAL ELECTRICAL FAILUREACTION
2016 Jaguar XJR Base
DTC P0852-01: Park/neutral Switch Input Circuit High - General electrical failure: Action
2016 Jaguar XJR BaseSECTION Action
- Check the integrity of the emergency park release. Rectify as necessary
- Check the integrity of the parklock mechanism. Using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and perform a road test. Check the parklock mechanism by engaging and disengaging the parklock several times. Rectify as necessary
- Refer to the relevant section of the service information and check the automatic transmission fluid level and quality
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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.