The control module detected improper operation of the Medium Cooling Fan Control Primary circuit. This is the manufacturer-specific definition used by Ford.
Possible causes
- Wiring
- engine coolant blower motor relay
- ECM
TuningBot DTC Database · v4.37.15
Manufacturer-specific interpretation for Ford. All interpretations of P1477
The control module detected improper operation of the Medium Cooling Fan Control Primary circuit. This is the manufacturer-specific definition used by Ford.
Powertrain: engine, transmission and driveline systems.
Manufacturer-defined range: the meaning can differ between brands.
Specific fault index within the subsystem.
Medium Cooling Fan Control Primary Circuit Failure. The control module detected improper operation of the Medium Cooling Fan Control Primary circuit. This is the manufacturer-specific definition used by Ford.
P1477 is a manufacturer-specific code. In this database it is documented for: Ford. The same number can mean something different on other brands.
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Understand the system behind this code: Diagnostic Strategy and DTC Logic