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Home › Mitsubishi › 2003 › Montero XLS › Repair and Diagnosis › Engine Performance › System › Engine Controls - Self-Diagnostics › Diagnostic Tests › DTC P0223: Throttle Position Sensor (Sub) Circuit High Input › Troubleshooting Hints

Troubleshooting Hints

The most likely causes for this code to be set are:

TPS failed or maladjusted.
Open or shorted TPS (sub) circuit, or loose connector.
PCM failed.