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P0480

Cooling Fan 1 Control Circuit

Cooling Fan 1 Control Circuit: the control circuit has an electrical fault. Reduced cooling-fan control can let the engine or A/C condenser overheat.

  • Check engine light: Yes
  • Emissions related: No
  • Repair difficulty: medium

Common causes

Ordered by how often each turns out to be the cause.

  • Fan relay failedCommon
  • Fan motor seized or openPossible

Parts involved

  • Cooling Fan Relay
  • Cooling Fan Motor
  • Fan Wiring

P0480 is a generic OBD-II code defined by SAE J2012. Exact wording and diagnostic procedure vary by manufacturer and model. Code definitions are drawn from the public-domain OBDex dataset; the workshop notes are our own.