Engine-Codes - Gmc - P0D20 GMC

P0D20 GMC - Battery Charger Output Voltage Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0D20 GMC Possible Causes

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

How do I fix code P0D20 GMC

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 P0D20 GMC code

Labor: 1.0

The cost of diagnosing the P0D20 GMC code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.

Possible Symptoms

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

P0D20 GMC Meaning

The hybrid/EV powertrain control module 2 monitors the battery charger high-voltage output and current output and ensures they are within the proper range. The battery charger operates in either a constant current mode or a constant voltage mode. Whichever mode you are in will determine which diagnostic will be run. The battery charger runs constant voltage mode at the beginning and end of the charge cycle and runs constant current mode most of the charging cycle.

P0D20 GMC More Information

Need more information on how to fix the P0D20 GMC code?
Get Access to Factory Service Manuals

Need more help?

Get the P0d20 Gmc code diagnosed by a professional: Find a repair shop in your area