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 DIAGNOSISGENERAL INFORMATIONDTC INDEXDIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: ANTI-LOCK BRAKE SYSTEM CONTROL MODULE (ABS) -- XJ/X351DIAGNOSTIC TROUBLE CODE (DTC) INDEX DTC: ANTI-LOCK BRAKE SYSTEM CONTROL MODULE (ABS)DESCRIPTION AND OPERATIONANTI-LOCK BRAKE SYSTEM CONTROL MODULE (ABS)U0074-88 CONTROL MODULE COMMUNICATION BUS "B" OFF - BUS OFFACTION
2011 Jaguar XJ Supercharged
U0074-88 Control Module Communication Bus "B" Off - Bus off: Action
2011 Jaguar XJ SuperchargedSECTION Action
- Using the manufacturer approved diagnostic system, perform a CAN network integrity test. Refer to the applicable SYSTEM WIRING DIAGRAMS and check the high speed CAN bus (chassis and powertrain) circuits for short circuit to ground, short circuit to power, open circuit, high resistance
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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.