P1A6C CADILLAC – SGCM Service Calibration Fault

P1A6C CADILLAC Possible Symptoms

Engine Light ON (or Service Engine Soon Warning Light)

P1A6C CADILLAC Possible Causes

Starter Generator Control Module (SGCM) Program,Faulty Starter Generator Control Module (SGCM),Starter Generator Control Module (SGCM) harness is open or shorted,Starter Generator Control Module (SGCM) circuit poor electrical connection

P1A6C CADILLAC Description

The internal fault detection is handled inside the control module. No external circuits are involved. This code indicates that the Energy Storage Control Module (ESCM), Starter Generator Control Module (SGCM) or Heating Control Module (HCM) has not yet been programmed with latest production software.