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Home >> Chevrolet >> 2012 >> Volt >> Repair and Diagnosis >> Engine Performance >> System >> Data Communications System - DTC B1000 To DTC U183E >> Diagnostic Information and Procedures >> DTC B101D >> Circuit/System Description

Circuit/System Description

The internal fault detection is handled inside the control module. The symptom byte listed in the DTC Descriptor is for engineering reference only. No external circuit diagnosis is involved.