AutoCodes – GMC – P0D20 GMC

P0D20 GMC Code - Battery Charger Output Voltage Performance

Quick Answer

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. Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: P0D20 GMC indicates Battery Charger Output Voltage Performance.
Common causes: Common causes include Faulty Battery Charger, Battery Charger harness is open or shorted, Battery Charger circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 886

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 25, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0D20 GMC Description

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.

OBDII Code P0D20 GMC - Battery Charger Output Voltage Performance - AutoCodes.com — P0D20 GMC Code - Battery Charger Output Voltage Performance

What does this mean?

What are the Possible Causes of the DTC P0D20 GMC?

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

How to Fix the DTC P0D20 GMC?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0D20 GMC code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0D20 GMC code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0D20 GMC Code

1. What are the common symptoms of OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- Common symptoms include issues with charging the vehicle's battery, dimming lights, and difficulty starting the vehicle.

2. What are the possible causes of OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- Possible causes include a faulty battery charger, damaged wiring or connectors, or problems with the vehicle's battery.

3. How can I diagnose the OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- To diagnose this code, you can use a diagnostic tool to check for any stored codes, inspect the battery charger and related components for damage, and test the battery's voltage.

4. How can I repair OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- Repairing this code may involve replacing a faulty battery charger, repairing damaged wiring or connectors, or replacing the vehicle's battery if necessary.

5. Can I drive my vehicle with OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- It is not recommended to drive your vehicle with this code as it can lead to further damage and potential safety hazards. It is best to address the issue promptly.

6. What are some tips for preventing OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- Regularly maintain your vehicle's battery and charging system, avoid overloading the electrical system, and promptly address any warning signs of battery or charging issues.

7. Can OBDII code P0D20 GMC (Battery Charger Output Voltage Performance) be cleared/reset?

- Yes, this code can be cleared/reset using a diagnostic tool, but it is important to first address and resolve the underlying issue causing the code to prevent it from reoccurring.

8. How long does it typically take to repair OBDII code P0D20 GMC (Battery Charger Output Voltage Performance)?

- The repair time can vary depending on the specific cause of the code and the complexity of the repair, but it may take a few hours to a full day to address the issue successfully.

9. Is it safe to attempt to repair OBDII code P0D20 GMC (Battery Charger Output Voltage Performance) on my own?

- If you have the necessary knowledge, tools, and experience working on automotive electrical systems, you may attempt to repair this code on your own. However, if you are unsure, it is best to seek professional help.

10. Will OBDII code P0D20 GMC (Battery Charger Output Voltage Performance) cause damage to other vehicle components if left untreated?

- Yes, if left untreated, this code can lead to further damage to the vehicle's electrical system, battery, and other related components. It is important to address the issue promptly to prevent additional problems.