Subaru OBD-II 1996 & Newer models DTC P1500 – Radiator Fan Relay 1 Circuit Malfunction
DTC P1500 meaning on Subaru OBD-II 1996 & Newer models
DTC P1500 indicates a malfunction in the Radiator Fan Relay 1 Circuit on Subaru vehicles equipped with OBD-II systems from 1996 onwards.
Subaru OBD-II 1996 & Newer models DTC P1500 symptoms
- Radiator fan not operating properly or not turning on.
- Engine overheating due to lack of proper cooling.
- Check Engine Light (CEL) illuminated on the dashboard.
Subaru OBD-II 1996 & Newer models DTC P1500 causes
- Defective Radiator Fan Relay 1.
- Wiring issues in the Radiator Fan Relay 1 circuit.
- Faulty temperature sensor causing incorrect fan operation.
Subaru OBD-II 1996 & Newer models DTC P1500 seriousness
The seriousness of DTC P1500 lies in the potential for engine overheating, which can lead to severe damage if not addressed promptly. Ignoring this issue can result in costly repairs or even engine failure.
How to diagnose DTC P1500 on Subaru OBD-II 1996 & Newer models
- Use an OBD-II scanner to retrieve the trouble code and confirm DTC P1500.
- Inspect the Radiator Fan Relay 1 and associated wiring for any visible damage or corrosion.
- Test the relay and temperature sensor for proper functionality using a multimeter.
How to fix DTC P1500 on Subaru OBD-II 1996 & Newer models
- Replace the faulty Radiator Fan Relay 1 with a new one.
- Repair any damaged wiring in the circuit and ensure proper connections.
- If the temperature sensor is faulty, replace it with a new sensor.
How to erase DTC P1500 on Subaru OBD-II 1996 & Newer models
- After fixing the underlying issue causing DTC P1500, use an OBD-II scanner to clear the trouble code.
- Ensure that the repair has resolved the problem before clearing the code to prevent it from reoccurring.