AutoCodes – Nissan – B2803 Nissan

B2803 Nissan 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 Nissan 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 957

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 Nissan Description

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

What does this mean?

What are the Possible Causes of the DTC B2803 Nissan?

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 Nissan?

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 Nissan 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 Nissan code?

Need more information on how to fix the B2803 Nissan code? Get Access to Factory Service Manuals

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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 Nissan Code

1. What does the OBD-II code B2803 mean for a Nissan vehicle?

The B2803 code indicates a "Quick Charge Permit Signal Error," meaning thereâ€™s an issue with the signal communication between the quick charge controller and related components.

2. What are the common symptoms of the B2803 code in a Nissan?

Symptoms may include the inability to use quick charging, warning lights on the dashboard, and possible reduced charging performance.

3. What causes the B2803 Quick Charge Permit Signal Error?

Possible causes include a malfunctioning quick charge controller, damaged wiring or connectors in the charging system, or signal communication issues between the EV control module and other components.

4. Can the B2803 code affect normal (non-quick) charging?

Typically, this code only affects quick charging capabilities and does not interfere with normal AC charging.

5. How do I diagnose the B2803 code in my Nissan?

Diagnosing this code requires checking the wiring and connectors for damage, testing the quick charge controller, and verifying signal integrity with a scan tool.

6. How can I fix the B2803 Quick Charge Permit Signal Error?

Repairs may involve replacing damaged wiring, fixing poor connections, updating the vehicleâ€™s software, or replacing the faulty quick charge controller if needed.

7. Is the B2803 code specific to Nissan electric vehicles?

Yes, this code is generally associated with Nissan EVs, such as the Nissan Leaf, that have quick charge capabilities.

8. Can a software update resolve the B2803 code?

In some cases, a software update for the EV control module may resolve the communication issue and clear the code.

9. What tools are needed to diagnose the B2803 code?

A professional OBD-II scanner capable of reading EV-specific codes and diagnostic tools for electrical testing are required to diagnose this issue properly.

10. Is it safe to drive with the B2803 code active?

While the vehicle is usually safe to drive, quick charging functionality may be disabled, which could limit charging options and increase charging time.