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Home >> Cadillac >> 2015 >> SRX Base, 4D Utility >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls/Fuel - 3.6L (LFX) - DTC P0442 To DTC P2635 And Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P163A: Control Module Fuel Pressure Regulator 1 >> Circuit/System Description
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Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM).

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