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Home >> Buick >> 2001 >> Regal LS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0480: Cooling Fan Relay No. 1 Control Circuit >> Code Enable Criteria

Code Enable Criteria

Ignition is on.
System voltage is 9-18 volts.

DTC sets when an improper voltage level has been detected on low speed cooling fan relay control circuit for at least 30 seconds.

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