Subaru OBD-II 1996 & Newer models DTC P1480 – Cooling fan relay 1 circuit high input
DTC P1480 meaning on Subaru OBD-II 1996 & Newer models
The Diagnostic Trouble Code (DTC) P1480 for Subaru OBD-II 1996 & Newer models indicates a high input in the cooling fan relay 1 circuit. This means that the Engine Control Module (ECM) has detected an abnormal voltage level in the circuit controlling the cooling fan relay 1.
Subaru OBD-II 1996 & Newer models DTC P1480 symptoms
- Check Engine Light (CEL) illuminated on the dashboard
- Engine overheating due to cooling fan not operating correctly
- Reduced engine performance
Subaru OBD-II 1996 & Newer models DTC P1480 causes
- Defective cooling fan relay 1
- Faulty wiring or connectors in the cooling fan relay circuit
- Issues with the Engine Control Module (ECM)
Subaru OBD-II 1996 & Newer models DTC P1480 seriousness
The DTC P1480 should be addressed promptly as it can lead to engine overheating and potential damage if the cooling fan relay 1 circuit issue is not resolved. Ignoring this code may result in costly repairs.
How to diagnose DTC P1480 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the DTC P1480 code
- Inspect the cooling fan relay 1 and associated wiring for any visible damage
- Test the cooling fan relay 1 for proper operation
- Check the ECM for any faults or malfunctions
How to fix DTC P1480 on Subaru OBD-II 1996 & Newer models
- Replace the cooling fan relay 1 if it is found to be defective
- Repair or replace any damaged wiring or connectors in the cooling fan relay circuit
- If the ECM is faulty, it may need to be reprogrammed or replaced
How to erase DTC P1480 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to clear the DTC P1480 code after the underlying issue has been resolved
- Ensure that the repair has been successful by monitoring the system for any recurring codes or symptoms