P0480
Cooling Fan Control Circuit 1
Detailed Description
BMW electronic cooling fan control circuit fault.
Possible Causes
Electronic fan motor failure (common BMW failure part)
Fan relay/module failure
Wiring issue.
Solutions & Repair Guide
The BMW electronic fan is a high-failure-rate component. Check if the fan motor is seized; Measure fan motor current draw; Usually requires replacement of the complete electronic fan assembly.
Disclaimer: The information above is for reference only and does not constitute professional repair advice.
Actual causes may vary depending on vehicle make, model, year, and configuration. Always consult a qualified technician for accurate diagnosis.