OBDII Code List

P1A62 BUICK - Starter/Generator Control Module Torque Delivered Performance

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

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

Possible symptoms

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

P1a62 Buick Description

The Starter/Generator Control Module (SGCM) monitors the internal torque value and compares it to the Motor Generator Unit (MGU) delivered torque value. If the delivered torque is not within tolerance, the code will set.
OBDII Code P1a62 Buick - Starter/Generator Control Module Torque Delivered Performance -

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