OBD
P2622
Throttle Position Output Circuit High
What it means
P2622 means Throttle Position Output Circuit High.
Check these first
- TPS output wire shorted to voltage
- Failed throttle position sensor
- Reference voltage shorted to the signal
- Corroded TPS connector
- ECM throttle input fault
What to do next
- Read throttle position live data at rest and off idle
- Test the TPS output wire for a short to voltage
- Inspect the TPS connector for corrosion
- Check the sensor reference voltage
- Verify the TPS signal at the ECM
- Clear the code and retest
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Updated
Generic SAE J2012 definition. Last updated 2026-10-10.