Honda DTC P1122 – Throttle Position Higher Than Expected
DTC P1122 meaning on Honda
DTC P1122 on a Honda indicates that the throttle position sensor is reporting a higher than expected voltage signal to the Engine Control Module (ECM). This means that the throttle position is being read as higher than it should be based on the actual position of the throttle.
Honda DTC P1122 symptoms
Symptoms of DTC P1122 on a Honda may include:
- Check Engine Light illuminated
- Reduced engine power
- Poor acceleration
- Engine stalling
Honda DTC P1122 causes
Common causes of DTC P1122 on a Honda include:
- Throttle position sensor malfunction
- Wiring or connector issues in the throttle position sensor circuit
- ECM software or hardware problems
Honda DTC P1122 seriousness
DTC P1122 should be addressed promptly as it can lead to drivability issues and potential safety concerns if the throttle position is not accurately reported to the ECM.
How to diagnose DTC P1122 on Honda
To diagnose DTC P1122 on a Honda, you can:
- Use a scan tool to retrieve the trouble codes and freeze frame data
- Inspect the throttle position sensor and its wiring for any visible damage
- Perform voltage and resistance tests on the throttle position sensor
- Check for any related ECM software updates
How to fix DTC P1122 on Honda
To fix DTC P1122 on a Honda, you may need to:
- Replace the throttle position sensor if faulty
- Repair any damaged wiring or connectors in the throttle position sensor circuit
- Update the ECM software if necessary
How to erase DTC P1122 on Honda
To erase DTC P1122 on a Honda, you can:
- Use a scan tool to clear the trouble codes
- Perform a test drive to ensure the code does not return
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