Mike's Workshop Manuals: Service manuals for every vehicle

Home >> Buick >> 2011 >> Regal CXL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 2.4L - DTC P0685 Through P2635 >> DTC P163A >> Circuit/System Description

Circuit/System Description

This diagnostic applies to internal microprocessor integrity conditions within the engine control module (ECM) or an out of range high pressure fuel pump actuator current.

scientia non olet · About Mike's Workshop Manuals