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P0480 - Fan 1 Control Circuit

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DTC DESCRIPTION P0480 - FAN 1 CONTROL CIRCUIT

For Relay Controlled Electric Cooling Fan 
Description:  This DTC sets when the PCM grounds the LFC circuit and excessive current draw is detected on the LFC circuit; or with the LFC circuit not grounded by the PCM the voltage is not detected on the LFC circuit. The PCM expects to detect VPWR voltage coming through the low speed fan control (FC) relay coil to the LFC circuit.
Possible Causes: 
  • LFC circuit open
  • LFC circuit short
  • VPWR circuit to the LFC relay open
  • Damaged LFC relay