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Conditions for Setting the DTC

WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

B393B 04 

Commanded duty cycle = Greater than 10% Duty Cycle & A/C Compressor Solenoid Valve - Current = 0 mA

B393B 0B 

A/C Compressor Solenoid Valve - Current = Greater than 815 mA

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