Subaru OBD-II 1996 & Newer models DTC P1122 – Pressure Sources Switching Valve Circuit High Input
DTC P1122 meaning on Subaru OBD-II 1996 & Newer models
DTC P1122 on Subaru OBD-II 1996 & Newer models refers to the Pressure Sources Switching Valve Circuit High Input. This diagnostic trouble code indicates that there is a high input signal detected in the circuit related to the pressure sources switching valve.
Subaru OBD-II 1996 & Newer models DTC P1122 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Decreased engine performance
- Issues with the vehicle’s fuel efficiency
Subaru OBD-II 1996 & Newer models DTC P1122 causes
- Faulty pressure sources switching valve
- Wiring or connector issues in the pressure sources switching valve circuit
- ECU (Engine Control Unit) malfunction
Subaru OBD-II 1996 & Newer models DTC P1122 seriousness
The seriousness of DTC P1122 on Subaru OBD-II 1996 & Newer models lies in the potential impact on engine performance and fuel efficiency. Ignoring this issue can lead to further damage to engine components and increased fuel consumption.
How to diagnose DTC P1122 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the specific fault code
- Inspect the pressure sources switching valve and related wiring for any visible damage
- Check the ECU for any stored error codes related to the pressure sources switching valve circuit
How to fix DTC P1122 on Subaru OBD-II 1996 & Newer models
- Replace the faulty pressure sources switching valve
- Repair or replace any damaged wiring or connectors in the circuit
- If ECU malfunction is suspected, consult a professional for further diagnosis and repair
How to erase DTC P1122 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the error code from the ECU memory
- Ensure that the underlying issue causing DTC P1122 has been resolved before clearing the code
- After fixing the problem, perform a test drive to confirm that the Check Engine Light does not reappear
Recommended tools for Subaru OBD-II 1996 & Newer models diagnostics
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