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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Data Communication System - DTC B1000 To DTC U1818 >> Diagnostic Information and Procedures >> DTC P16B7: Electric A/C Compressor Control Module Wake-Up Circuit Performance >> Circuit/System Description

Circuit/System Description

The accessory wake up serial data 2 circuit is energized by the K114B Hybrid/EV Powertrain Control Module 2 to immediately activate the G1 A/C Compressor connected to this circuit when the body control module signals the K114B Hybrid/EV Powertrain Control Module 2 that serial data is required.