LEMON Manuals
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Jaguar
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2003
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XJ8 SC
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P1643: Controller Area Network TCM Token Message Missing
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Possible Causes
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Possible Causes
CAN open circuit fault (TCM to ECM).
CAN short circuit fault.
TCM failure.
ECM failure.