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 MANUALSJAGUAR2011XJ SUPERCHARGEDREPAIR AND DIAGNOSISRESTRAINTSRESTRAINTS CONTROL SYSTEMSDIAGNOSTIC TROUBLE CODE INDEX DTC: RESTRAINTS CONTROL MODULE (RCM) -- XJ/X351DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: RESTRAINTS CONTROL MODULE (RCM)DESCRIPTION AND OPERATIONRESTRAINTS CONTROL MODULE (RCM)B1211-1A: DRIVER SEATBELT RETRACTOR PRETENSIONER DEPLOYMENT CONTROL - CIRCUIT RESISTANCE BELOW THRESHOLDACTION
2011 Jaguar XJ Supercharged
B1211-1A: Driver Seatbelt Retractor Pretensioner Deployment Control - Circuit resistance below threshold: Action
2011 Jaguar XJ SuperchargedSECTION Action
- Refer to the applicable System Wiring Diagram(s) and check the driver seatbelt retractor and pretensioner circuit for short circuit between power and ground. Install a new wiring harness as necessary. If no wiring harness fault exists, using the Jaguar Land Rover approved diagnostic equipment, clear the DTCs and retest
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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.