AutoCodes – Infiniti – B2803 Infiniti

B2803 Infiniti Code - Quick Charge Permit Signal Error

Quick Answer

The Diagnostic Trouble Code (DTC) sets after the charge start/stop 1 signal is received from the quick charger, the quick charge connector lock signal is received from the quick charger via quick charger communication even though the charge permit signal is not being output by the PDM (Power Delivery Module). 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: B2803 Infiniti indicates Quick Charge Permit Signal Error.
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 481

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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Table of contents Created and updated by William Orellana on Feb 11, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2803 Infiniti Description

OBDII Code B2803 Infiniti - Quick Charge Permit Signal Error - AutoCodes.com — B2803 Infiniti Code - Quick Charge Permit Signal Error

What does this mean?

What are the Possible Causes of the DTC B2803 Infiniti?

Faulty Quick Charger
Quick Charger harness is open or shorted
Quick Charger circuit poor electrical connection
Faulty Quick Charger Connector
Faulty Power Delivery Module (PDM)

How to Fix the DTC B2803 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 B2803 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 B2803 Infiniti 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 B2803 Infiniti Code

1. What does the OBDII code B2803 mean on an Infiniti?

The B2803 code indicates a "Quick Charge Permit Signal Error," which typically relates to an issue with the communication or authorization for electric vehicle quick charging.

2. What are the common symptoms of the B2803 code?

Symptoms may include the inability to use quick charging, illuminated warning lights on the dashboard, or error messages related to the charging system.

3. What causes the B2803 code to appear?

This code can be caused by a faulty quick charge control module, damaged wiring or connectors in the charging system, or communication errors between the vehicle and charging station.

4. Can a faulty charging station cause the B2803 code?

Yes, a malfunctioning or incompatible quick charging station can trigger this code if it fails to communicate properly with the vehicle.

5. How can I fix the B2803 code on my Infiniti?

Inspect the wiring and connectors in the charging system for damage, verify compatibility with the charging station, and, if needed, test or replace the quick charge control module.

6. Can I still drive my Infiniti with the B2803 code active?

Yes, you can typically drive the vehicle, but quick charging functionality may be unavailable, and the issue should be resolved promptly to restore full charging capabilities.

7. How is the B2803 code diagnosed?

A technician will use a diagnostic scanner to confirm the code, inspect the quick charge system components, and test for communication errors between the vehicle and charging station.

8. Is the B2803 code specific to electric or hybrid Infiniti vehicles?

Yes, this code is specific to Infiniti electric or hybrid vehicles equipped with quick charging capabilities.

9. Can software updates fix the B2803 code?

In some cases, a software update to the vehicle's charging system or control modules may resolve the issue if it is due to a communication glitch.

10. How much does it cost to repair the B2803 code?

Repair costs vary depending on the root cause, but they can range from minor fixes like repairing wiring to more expensive solutions like replacing the quick charge control module.