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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System - Automatic >> Diagnostic Information and Procedures >> DTC B393B: Air Conditioning Compressor Valve >> Conditions for Setting the DTC

Conditions for Setting the DTC

B393B 04 

A PWM greater than 10% is sent but no current is read back.

B393B 0B 

Measured current is above threshold of 815mA.

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