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P1AB5 CHEVROLET

P1AB5 CHEVROLET - Starter/Generator Phase V Current Sensor Circuit Low Voltage

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)

P1ab5 Chevrolet Description

The Starter/Generator Control Module (SGCM) phase U/V/W current sensors are used for motor control and power inverter module (PIM) current sensor rationality check. The SGCM monitors the current sensor for the following:

- To detect a failure of the U/V/W-phase current sensor circuit below valid range.

- To detect a failure of the U/V/W-phase current sensor circuit above valid range.

OBDII Code P1ab5 Chevrolet - Starter/Generator Phase V Current Sensor Circuit Low Voltage - AutoCodes.com

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