P1EFE GMC - Battery Charger Reverse Polarity Protection Circuit Performance

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

  • Faulty Battery Charger
  • Battery Charger harness is open or shorted
  • Battery Charger circuit poor electrical connection

Possible symptoms

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

P1efe Gmc Description

The battery charger 14 V output circuit is connected to the vehicle 12 V system. The battery charger monitors the 14 V output for proper current and voltage conditions. The battery charger has the ability to drive the voltage to 14 V.
OBDII Code P1efe Gmc - Battery Charger Reverse Polarity Protection Circuit Performance - AutoCodes.com

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P1EFE GMC Comments

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