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P1A8F GMC Code - 14 Volt Power Module Current Sensor Overcurrent

- Code Popularity: 745 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
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What are the Possible Causes of the DTC P1A8F GMC?

NOTE: The causes shown may not be a complete list of all potential problems, and it is possible that there may be other 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
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How to Fix the DTC P1A8F GMC?

Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.

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What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1A8F GMC code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.

What are Code Possible Symptoms?

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

Code P1A8F GMC 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 GMC - 14 Volt Power Module Current Sensor Overcurrent - AutoCodes.com
P1A8F GMC Code - 14 Volt Power Module Current Sensor Overcurrent

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Code P1A8F GMC comments

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