P1A6D CADILLAC - Starter/Generator Control Module System Voltage Low
- 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
- Engine Light ON (or Service Engine Soon Warning Light)
P1a6d Cadillac DescriptionThe Starter/Generator Control Module (SGCM) monitors the system voltage sensor to detect a shorted low or high condition.
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