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Re: Coolant fan 1 controller???
DTC P0480 or P0481
Cooling Fan Relay Control Circuit
the only part of the cooling fan circuit the PCM can 'see' or detect is the wiring and the relay. swap the two cooling fan relays. if the code becomes P0481 (fan #2) the relay is bad, if it stays P0480, it may be the wiring.
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