Subaru OBD-II 1996 & Newer models DTC P1722 – Auto Trans Diagnosis Input Signal High Input
DTC P1722 meaning on Subaru OBD-II 1996 & Newer models
DTC P1722 on Subaru OBD-II 1996 & Newer models indicates an issue with the automatic transmission diagnosis input signal being too high. This code is specific to the transmission control module (TCM) and suggests a problem with the input signal from the transmission sensors.
Subaru OBD-II 1996 & Newer models DTC P1722 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Transmission shifting irregularities
- Reduced fuel efficiency
- Possible limp mode activation
Subaru OBD-II 1996 & Newer models DTC P1722 causes
- Faulty transmission sensor(s)
- Wiring or connector issues in the transmission circuit
- Defective TCM
- Interference from other electronic components
Subaru OBD-II 1996 & Newer models DTC P1722 seriousness
The seriousness of DTC P1722 on Subaru OBD-II 1996 & Newer models depends on the underlying cause. Ignoring this code can lead to further transmission problems and potential drivability issues. It is recommended to address this code promptly to prevent more severe damage.
How to diagnose DTC P1722 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble codes and freeze frame data
- Inspect the transmission sensors and their wiring for any visible damage
- Check the TCM for proper operation and connectivity
- Perform a thorough inspection of the transmission control circuit
How to fix DTC P1722 on Subaru OBD-II 1996 & Newer models
- Repair or replace faulty transmission sensor(s)
- Repair any damaged wiring or connectors in the transmission circuit
- Replace the TCM if found to be defective
- Ensure proper shielding and grounding of electronic components
How to erase DTC P1722 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the trouble codes
- Ensure the underlying issue has been resolved before clearing the code
- Perform a test drive to verify that the code does not return