TorqueMech OBD Code Guide
P0123 - Throttle/Pedal Position Sensor/Switch A Circuit High Input
TPS/APP signal high.
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Code Overview
TPS/APP signal high.
Common Causes
- Open circuit
- Short to voltage
- Sensor failure
Diagnostic Steps
- Inspect connector and wiring
- Verify sensor output and reference
Related OBD Codes
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Next Steps
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