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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1845 (Hybrid Energy Storage System) >> Diagnostic Information and Procedures >> DTC P0AF8, or P0AFB >> Circuit/System Description >> P0AF8

Circuit/System Description: P0AF8

WARNING: This page is about a different car, the 2007 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The engine control module (ECM) monitors the correlation of the BECM battery voltage and the starter generator control module (SGCM) output voltage to detect a 3 phase cable open or fuse/relay failure.