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Home >> Saturn >> 2001 >> L300 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P0645: A/C Clutch Relay Circuit Open >> Code Enable Criteria
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Code Enable Criteria

DTC sets when ECM detects A/C clutch relay control feedback voltage is 2.6-4.6 volts for more than 0.5 second when relay is being commanded off.

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