Engine-Codes - Gmc - P0D21 GMC

P0D21 GMC Code - Battery Charger Output Voltage Too Low

- Code Popularity: 749 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0D21 GMC?

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

|How to Fix the P0D21 GMC Code?

Start by checking 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.

|What is the Cost to Diagnose the Code P0D21 GMC?

Labor: 1.0

The cost to diagnose the P0D21 GMC code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code P0D21 GMC Possible Symptoms?

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

|What Does the P0D21 GMC Code Mean?

The hybrid/EV powertrain control module 2 and battery charger control module monitor the battery charger high-voltage output and current output and ensures it is in the proper range and there is not a resistive short in the charging bus.

Battery Charger Output Voltage Too Low

|Need more Information on the P0D21 GMC Code?

Need more information on how to fix the P0D21 GMC code? Get Access to Factory Service Manuals

|Need Help with the P0D21 GMC Code?

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