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Oldsmobile
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2001
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Intrigue GL
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Repair and Diagnosis
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Engine Performance
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System
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Engine Controls - Self-Diagnostics
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Diagnostic Tests
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DTC P0480: Cooling Fan No. 1 Relay Control Circuit
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Code Enable Criteria
Code Enable Criteria
Engine speed is more than 80 RPM.
System voltage is 9-18 volts.
PCM driver transitions from on to off, or from off to on.