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.
2002 Jaguar XJR BaseFACTORY OEM SERVICE PROCEDURE
CAN Output Signals
- Engine torque reduction request.
- MIL status (whether present DTC should operate MIL).
- Transmission input speed.
- Transmission output speed.
- Converter slip.
- Kickdown status.
- Gear position (actual).
- Gear position (selected).
- Gear selection fault.
- Converter lock-up status.
- Current selected shift map.
- Transmission oil temperature.
- Transmission malfunction.
- Pecus flag (state of current TCM program).
- Target for next gear position.
- Gear shift torque transfer progress at shift.
- MIL status (response to activate the MIL relevant to a DTC).
- OBDII fault code clear acknowledgment.
- Transmission DTCs (P codes).
- Token for network status TCM.
- Diagnostic data out to external device (PDU).
Factory Service Tools
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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.
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