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Acura DTC

Acura DTC P0480

Manufacture

Acura DTC

Code

P0480

Definition

Radiator Fan Control (RFC) System Malfunction

Description

With ignition switch ON (II) the RFC terminal voltage is low for at least 20 seconds, and the same condition continues even when the power reset is repeated 5 times. (Power is supplied for about 5 seconds after the power reset. ) NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot.

Cause

  • Blown fuseRadiator fan interference, or debris in the fan Open circuit between the PCM and the RFC unitShort circuit between the RFC unit relay and the fuseFaulty fan motorFaulty RFC unitPCM may need to be updated with the latest softwareFaulty PCM

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