Ford DTC P1481 – Fan Secondary Low with High Fans On
DTC P1481 meaning on Ford
DTC P1481 for Ford refers to “Fan Secondary Low with High Fans On.” This diagnostic trouble code indicates that the cooling fan control system is detecting a low voltage condition on the secondary fan circuit while the primary fan is operating at a high speed.
Ford DTC P1481 symptoms
Symptoms of DTC P1481 on a Ford vehicle may include:
- Engine overheating
- Check Engine Light illuminated
- Increased temperature gauge readings
- Reduced air conditioning performance
Ford DTC P1481 causes
Common causes of DTC P1481 on Ford vehicles include:
- Defective cooling fan motor
- Failed cooling fan relay
- Wiring or connection issues in the cooling fan circuit
- Faulty engine coolant temperature sensor
Ford DTC P1481 seriousness
DTC P1481 should be addressed promptly as it can lead to engine overheating and potential damage if left unresolved. Ignoring this code may result in costly repairs and engine issues.
How to diagnose DTC P1481 on Ford
To diagnose DTC P1481 on a Ford vehicle, you can perform the following steps:
- Check the cooling fan operation by observing if both fans are running at the correct speeds.
- Inspect the cooling fan motor and relay for any signs of damage or malfunction.
- Test the engine coolant temperature sensor to ensure it is providing accurate readings.
- Scan the vehicle’s computer system for any additional fault codes that may be related to the cooling fan circuit.
How to fix DTC P1481 on Ford
To fix DTC P1481 on a Ford vehicle, you can try the following solutions:
- Replace the faulty cooling fan motor if it is not functioning correctly.
- Inspect and replace the cooling fan relay if it is defective.
- Repair any damaged wiring or connections in the cooling fan circuit.
- Replace the engine coolant temperature sensor if it is providing inaccurate readings.
How to erase DTC P1481 on Ford
To erase DTC P1481 on a Ford vehicle, you can clear the code using an OBD-II scanner or by disconnecting the vehicle’s battery for a few minutes. However, it is recommended to address the underlying issue causing the code before clearing it to prevent future problems.
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