AUTO SAVE
P0480
Automotive Climate Control
Critical Risk - Turn Off AC
Book Code P0480 Inspection

Code P0480 - Cooling Fan 1 Control Circuit Malfunction

Indicates a circuit malfunction in the primary engine cooling fan, responsible for drawing airflow across the AC condenser.

Safe to Drive? ❌ No, Turn Off AC
Estimated Repair Cost 150 - 750 SAR
Common Makes Generic, Ford, Chevrolet, Dodge, Jeep, Nissan
System Category fan

Symptoms of Trouble Code P0480:

  • ⚠️ AC cools only on highway; turns hot at idle or in traffic
  • ⚠️ Engine coolant temperature rises when stopped
  • ⚠️ Radiator/condenser fan never spins when AC button is engaged

Common Causes Behind Code P0480:

  • 🔍 Failed cooling fan motor or worn carbon brushes
  • 🔍 Burnt cooling fan relay or blown heavy-duty maxi-fuse (30A-50A)
  • 🔍 Faulty cooling fan resistor pack

Diagnostic Procedure Recommended by Auto Save Technicians:

  1. 1 Start car, turn on AC, and observe if fan spins immediately
  2. 2 Verify 12V battery power arrives at fan motor harness plug
  3. 3 Inspect high-amperage cooling fan fuse and relay
Specialist Recommendation:

Do not continue idling if engine temp rises; turn off AC and pull over safely.

Associated Components: Radiator Fan Motor Fan Relay Blower/Fan Resistor
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Frequently Asked Questions: Code P0480

Why does AC blow cold on highway but warm at idle?

The #1 reason is condenser fan failure (code P0480), since highway ram air temporarily compensates for the dead fan.