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XJR
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Engine Controls - Self-Diagnostics
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Diagnostic Trouble Code Identification
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DTC P0568: Speed Control Switch Ground Malfunction
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Possible Causes
Possible Causes
Cruise control switches internal steering wheel open circuit.
Steering wheel clockspring open or high resistance.
Clockspring to ECM circuit (ACCEL/DECEL) open or high resistance.
ACCEL/DECEL switch failure.