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Home >> GMC >> 2008 >> Yukon Denali, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Hybrid Engine Control System) >> Diagnostic Information and Procedures >> DTC P15F2 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different variant/trim than selected.
IMPORTANT: Diagnose and repair any communication DTCs prior to performing this testing.

Program the engine control module (ECM) with the latest software version and recheck for DTCs.