AutoCodes – Infiniti – B2820 Infiniti

B2820 Infiniti 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 Infiniti 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 500

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

What does this mean?

What are the Possible Causes of the DTC B2820 Infiniti?

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 Infiniti?

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 Infiniti 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 Infiniti code?

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

Need Help with the Code?

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

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 Infiniti Code

1. What are the common symptoms of OBDII code B2820 in an Infiniti related to the Quick Charger system?

- Common symptoms include difficulty charging the battery, slow charging times, or complete failure to charge.

2. What are the possible causes of OBDII code B2820 in an Infiniti related to the Quick Charger system?

- Potential causes include a faulty quick charger module, damaged wiring or connectors, or issues with the vehicle's battery management system.

3. How can I diagnose OBDII code B2820 in my Infiniti Quick Charger system?

- You can diagnose this code by using an OBDII scanner to read the trouble codes, inspecting the quick charger module and related components for any visible damage, and testing the charging system's functionality.

4. Is it safe to continue driving my Infiniti with OBDII code B2820 related to the Quick Charger system?

- It is not recommended to drive the vehicle with this code as it may lead to further damage to the charging system or potential battery issues.

5. Can I repair OBDII code B2820 in my Infiniti Quick Charger system myself?

- While some simple checks like inspecting connectors and wiring can be done by DIYers, diagnosing and repairing the root cause of the code may require professional assistance.

6. How much does it typically cost to repair OBDII code B2820 in an Infiniti Quick Charger system?

- The cost of repair can vary depending on the exact cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

7. Are there any preventive maintenance tips to avoid OBDII code B2820 in my Infiniti Quick Charger system?

- Regularly checking the condition of the charging system components, following the manufacturer's maintenance schedule, and avoiding overcharging the battery can help prevent issues related to this code.

8. Can OBDII code B2820 in an Infiniti Quick Charger system cause other problems in the vehicle?

- Yes, unresolved issues related to this code can potentially lead to battery drain, starting problems, or even damage to other electrical components in the vehicle.

9. How long does it typically take to repair OBDII code B2820 in an Infiniti Quick Charger system?

- The repair time can vary depending on the complexity of the issue, availability of parts, and the technician's workload, but it may take a few hours to a full day to diagnose and fix the problem.

10. Is OBDII code B2820 a common issue in Infiniti vehicles with Quick Charger systems?

- While not extremely common, OBDII code B2820 related to the Quick Charger system can occur in Infiniti vehicles, especially in models that have been in use for several years.