P0123 Throttle position sensor circuit high input

P0123  Throttle position sensor circuit high input

Check Conditions
Ignition switch "ON" position.
Judgement Criteria
TPS (main) output voltage should be 4.8 volts or more for 0.5 seconds.

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