P0658 Chevrolet Actuator Supply Voltage A Circuit Low

Possible causes

– Faulty Engine Control Module (ECM)
– ECM harness is open or shorted
– ECM circuit poor electrical connection
– ECM Programming

What about the obd code?

The Engine Control Module (ECM) has detected a low voltage to the transmission control solenoids.

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)