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Home >> Chevrolet >> 2013 >> Traverse LS, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 142 (Data Communication System) >> Diagnostic Information and Procedures >> DTC C056D: Electronic Control Unit Hardware >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2015 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.

The internal fault detection is handled inside the device. The symptom byte information is for engineering reference only. No external circuit diagnosis is involved.

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