LEMON Manuals
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Jaguar
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2002
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XKR Base, 2D Convertible
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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 P1658: Throttle Motor Power Relay On Failure
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Possible Causes
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Possible Causes
Throttle motor power relay failure (contacts stuck on).
Throttle motor power relay to ECM coil circuit shorted to ground.
Throttle motor power relay to ECM supply circuit shorted to voltage.