AutoCodes – Generic – B2423

B2423 Code - Automatic Back Door Motor Operation Time

Quick Answer

The Automatic Back Door Control Module monitors the Automatic Back Door Motor Operation Time. Common causes include Faulty Spindle Motor, Spindle Motor harness is open or shorted, Spindle Motor 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: B2423 indicates Automatic Back Door Motor Operation Time.
Common causes: Common causes include Faulty Spindle Motor, Spindle Motor harness is open or shorted, Spindle Motor 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 1,518

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 Dec 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2423 Description

The Automatic Back Door Control Module monitors the Automatic Back Door Motor Operation Time. The OBDII code sets when the Automatic Back Door Control Module and Spindle Motor operate in the same direction for 180 seconds or more continuously.

OBDII Code B2423 - Automatic Back Door Motor Operation Time - AutoCodes.com — B2423 Code - Automatic Back Door Motor Operation Time

What does this mean?

What are the Possible Causes of the DTC B2423?

Faulty Spindle Motor
Spindle Motor harness is open or shorted
Spindle Motor circuit poor electrical connection
Faulty Automatic Back Door Control Module

How to Fix the DTC B2423?

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 B2423 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 B2423 code?

Need more information on how to fix the B2423 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2423 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2423 Infiniti — Automatic Back Door Motor Operation Time
B2423 Lexus — AFS ECU Installation Error
B2423 Nissan — Automatic Back Door Motor Operation Time
B2423 Toyota — AFS ECU Installation Error

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 B2423 Code

1. What does OBDII code B2423 mean?

Code B2423 indicates an issue with the automatic back door motor operation time, typically suggesting that the motor is taking too long or too short to open or close the back door.

2. What are common symptoms of code B2423?

Common symptoms include the automatic back door not opening or closing fully, slow or jerky operation, or the motor stopping mid-operation.

3. What causes code B2423 to trigger?

This code can be triggered by a faulty back door motor, a damaged or obstructed door mechanism, poor electrical connections, or a malfunctioning control module.

4. Can a dirty sensor cause code B2423?

Yes, dirt or debris on door position sensors or limit switches can interfere with proper operation and trigger this code.

5. How do I fix code B2423?

Inspect the back door motor and mechanism for damage or obstructions, clean any sensors, check the wiring connections, and replace faulty components as needed.

6. Can I drive with code B2423 active?

Yes, but the automatic back door may not function properly, which could be inconvenient or cause safety concerns when loading or unloading items.

7. How much does it cost to repair code B2423?

Repair costs can vary widely depending on the issue, ranging from $50 for minor fixes like cleaning connections to $500 or more for replacing the motor or control module.

8. How do I reset code B2423?

After addressing the underlying issue, you can reset the code using an OBDII scanner or by disconnecting the battery for a few minutes, though the code may return if the problem persists.

9. Can weather conditions cause code B2423?

Yes, extreme cold or moisture can impact the motor's performance or cause sensors to malfunction, potentially triggering this code.

10. Is code B2423 specific to any vehicle make or model?

While it can appear on various vehicles with automatic back doors, it is more common on SUVs, minivans, and hatchbacks with this feature. Always consult your vehicleâ€™s service manual for specific details.