P0480 - Fan 1 Control Circuit - DTC Chart

P0480 - FAN 1 CONTROL CIRCUIT - DTC CHART

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
Diagnostic Aids: When the LFC_F PID reads YES, a concern is present. A short to voltage can only be detected when the PCM is grounding the LFC circuit.
For Variable Speed Electric Cooling Fan
Description: This DTC sets if the PCM detects the voltage on the FCV circuit is not within the expected range.
Possible Causes: FCV circuit open FCV circuit short B+ or ground circuit concern to cooling fan VPWR open to cooling fan (if applicable) Damaged cooling fan module
Diagnostic Aids:
For Cooling Fan Clutch
Description: This DTC sets if the PCM detects the voltage on the FCV circuit is not within the expected range.
Possible Causes: FCV circuit open FCV circuit short Damaged cooling fan clutch solenoid
Diagnostic Aids:
Application	Key On Engine Off	Key On Engine Running	Continuous Memory
Edge, Expedition, Explorer, F-150, Fiesta 1.0L, Fiesta 1.6L TiVCT, Flex, Fusion, MKC, MKS, MKT, MKZ, Mustang, Navigator, Taurus, Transit	GO to Pinpoint Test KF .
Escape/Kuga, Fiesta 1.6L GTDI, Focus, MKX, Transit Connect	GO to Pinpoint Test KN .
F-Series Super Duty	GO to Pinpoint Test HV .