Starter/Generator Field Coil Current Sensor Circuit Low Voltage


Table of contents

P1AB9 CHEVROLET Possible Causes

  • Faulty Motor Generator Unit (MGU)
  • Motor Generator Unit (MGU) harness is open or shorted
  • Motor Generator Unit (MGU) circuit poor electrical connection

How do I fix code P1AB9 CHEVROLET?

  Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.

Cost of diagnosing the P1AB9 CHEVROLET code

  The cost of diagnosing the P1AB9 CHEVROLET code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P1AB9 CHEVROLET Description

  The Starter/Generator Control Module (SGCM) monitors the Motor Generator Unit (MGU) field coil circuit to see if the field coil current is within tolerance.

Leave a Reply

Your email address will not be published. Required fields are marked *