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Home >> Hyundai >> 2007 >> Azera GLS >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC Troubleshooting Procedures >> DTC P0646 A/C Clutch Relay Control Circuit Low >> DTC Description

DTC Description

PCM monitors inputted voltage through A/C compressor relay. Checking voltage every 10 sec. under detecting condition, if the voltage lower than the specified value is detected for more than 5 sec, PCM sets P0646.

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