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Home › Jaguar › 2001 › XJ8 Base › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Trouble Code Identification › DTC P1229: Throttle Motor Control Circuit Malfunction › Possible Causes

Possible Causes

Throttle motor disconnected.
Throttle motor to ECM drive circuits shorted or open.
Throttle motor failure.