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Home >> Dodge and Ram >> 2001 >> Durango 5.9 Z, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1491: Rad Fan Control Relay Circuit >> Description

DTC P1491: Rad Fan Control Relay Circuit: Description

NOTE: Radiator fan control relay is referred to as radiator fan relay in test procedures.

Radiator fan relay control circuit is monitored when ignition is on, battery voltage is more than 10 volts and Powertrain Control Module (PCM) requests radiator fan to be turned on. DTC may be stored in PCM if an open or shorted condition is detected in radiator fan relay control circuit. Possible causes are:

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