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Home >> Pontiac >> 2001 >> Firebird Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System Self-Diagnostics - 3.8L >> Diagnostic Tests >> DTC P0480: Cooling Fan Relay No. 1 Control Circuit >> Code Enable Criteria
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Code Enable Criteria

For DTC to run, ignition must be on with ignition voltage 9-18 volts. DTC will set when improper voltage level has been detected on low speed cooling fan relay control circuit for at least 5 seconds. When DTC is set, the affected driver will be disabled.

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