AutoCodes – Generic – B2820

B2820 Code - Quick Charger

Quick Answer

The Diagnostic Trouble Code (DTC) sets a detection condition: - The quick charger malfunction signal is received from the quick charger. Common causes include Faulty Quick Charger, Quick Charger harness is open or shorted, Quick 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: B2820 indicates Quick Charger.
Common causes: Common causes include Faulty Quick Charger, Quick Charger harness is open or shorted, Quick 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 2,336

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 Feb 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2820 Description

The Diagnostic Trouble Code (DTC) sets a detection condition:
- The quick charger malfunction signal is received from the quick charger.
- The voltage detected by the quick charger is excessively higher or lower than the voltage detected by the Li-ion battery controller.
- The current output from the quick charger is excessively higher or lower than the command current.
- The current supplied to the PCS is excessively higher or lower than the current upper limit reading indicated by the vehicle.

OBDII Code B2820 - Quick Charger - AutoCodes.com — B2820 Code - Quick Charger

What does this mean?

What are the Possible Causes of the DTC B2820?

Faulty Quick Charger
Quick Charger harness is open or shorted
Quick Charger circuit poor electrical connection
Faulty Li-ion battery controller

How to Fix the DTC B2820?

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 B2820 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 B2820 code?

Need more information on how to fix the B2820 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2820 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2820 Infiniti — Quick Charger
B2820 Nissan — Quick Charger

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 B2820 Code

1. What are the common symptoms of OBDII code B2820 (Quick Charger)?

- The common symptoms of OBDII code B2820 include slow charging times or inability to charge the vehicle's battery efficiently.

2. What are the possible causes of OBDII code B2820 (Quick Charger)?

- Possible causes of OBDII code B2820 include a faulty quick charger module, issues with the charging circuit, or a malfunctioning charging port.

3. How can I diagnose OBDII code B2820 (Quick Charger)?

- Diagnosing OBDII code B2820 involves using a diagnostic scanner to retrieve the code, inspecting the quick charger components, and testing the charging system for proper functionality.

4. Can a DIY enthusiast repair OBDII code B2820 (Quick Charger)?

- Repairing OBDII code B2820 may require advanced electrical knowledge and specialized tools, so it is recommended to consult a professional mechanic for proper diagnosis and repair.

5. What should I do if my vehicle's OBDII code B2820 (Quick Charger) keeps coming back after being cleared?

- If OBDII code B2820 keeps reappearing after being cleared, it indicates an ongoing issue that needs to be properly diagnosed and repaired by a qualified technician.

6. Are there any safety precautions to consider when dealing with OBDII code B2820 (Quick Charger)?

- Safety precautions when dealing with OBDII code B2820 include disconnecting the vehicle's battery before working on the charging system to prevent electrical hazards.

7. Can OBDII code B2820 (Quick Charger) cause any long-term damage to the vehicle?

- If left unresolved, OBDII code B2820 can potentially cause long-term damage to the vehicle's electrical system and affect the overall performance of the charging system.

8. How much does it typically cost to repair OBDII code B2820 (Quick Charger)?

- The cost to repair OBDII code B2820 can vary depending on the extent of the issue and the specific components that need to be replaced or repaired. It is advisable to obtain quotes from multiple mechanics for an accurate estimate.

9. Is it safe to continue driving with OBDII code B2820 (Quick Charger) unresolved?

- It is not recommended to drive the vehicle with OBDII code B2820 unresolved, as it can lead to charging issues, potential battery drain, and other electrical problems while on the road.

10. Can extreme weather conditions affect OBDII code B2820 (Quick Charger)?

- Extreme weather conditions can potentially exacerbate charging system issues related to OBDII code B2820, so it is important to address any underlying problems promptly, especially in harsh weather environments.