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Home >> GMC >> 2019 >> Terrain SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Driver Assistance Systems) >> Diagnostic Information And Procedures >> DTC B101D: Electronic Control Unit Hardware (Frontview Camera Module Or Frontview Camera - Windshield) >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 GMC Terrain and 2018 Chevrolet Equinox. 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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