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Home >> Chevrolet >> 2013 >> Sonic RS, Standard Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 644 (Power Steering System) >> Diagnostic Information and Procedures >> DTC C056D: Electronic Control Unit Hardware >> Circuit/System Description
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Circuit/System Description

WARNING: This page is about a different car, the 2014 Chevrolet Sonic. However, it is still accessible from the selected car via links, so may be relevant.

The power steering control module continuously monitors the voltage and current levels being commanded to the 3-phase steering assist motor. The power steering control module compares the desired and actual current levels to detect malfunctions in the internal power steering assist motor circuits.

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