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P1A8F CADILLAC

P1A8F CADILLAC - 14 Volt Power Module Current Sensor Overcurrent

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • 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

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1a8f Cadillac Description

The Starter/Generator Control Module (SGCM) monitors the 14-volt power module current sensor for an overcurrent condition to protect the MOSFET. In the hardware, an overcurrent protection circuit is used to limit the current, and software monitors for an overcurrent reading in the sensor.
OBDII Code P1a8f Cadillac - 14 Volt Power Module Current Sensor Overcurrent - AutoCodes.com

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P1A8F CADILLAC Comments

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