AutoCodes – Infiniti – B24B7 Infiniti

B24B7 Infiniti Code - Intake Door Motor

Quick Answer

The Diagnostic Trouble Code (DTC) is set when A/C Auto Amplifier detects a short or open circuit of the Intake Door Motor drive signal. Common causes include Faulty Intake Door Motor, Intake Door Motor harness is open or shorted, Intake Door 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: B24B7 Infiniti indicates Intake Door Motor.
Common causes: Common causes include Faulty Intake Door Motor, Intake Door Motor harness is open or shorted, Intake Door 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 610

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 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B24B7 Infiniti Description

The Diagnostic Trouble Code (DTC) is set when A/C Auto Amplifier detects a short or open circuit of the Intake Door Motor drive signal.

OBDII Code B24B7 Infiniti - Intake Door Motor - AutoCodes.com — B24B7 Infiniti Code - Intake Door Motor

What does this mean?

What are the Possible Causes of the DTC B24B7 Infiniti?

Faulty Intake Door Motor
Intake Door Motor harness is open or shorted
Intake Door Motor circuit poor electrical connection
Faulty A/C Auto Amplifier

How to Fix the DTC B24B7 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 B24B7 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 B24B7 Infiniti code?

Need more information on how to fix the B24B7 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B24B7 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 B24B7 Infiniti Code

1. What does OBDII code B24B7 for an Infiniti Intake Door Motor indicate?

The B24B7 code specifically points to a fault with the Intake Door Motor in the Infiniti's HVAC system.

2. What are common symptoms of a B24B7 code in an Infiniti?

Common symptoms include issues with regulating the temperature inside the vehicle, poor airflow from the vents, or unusual clicking noises coming from the HVAC system.

3. What are possible causes of the B24B7 code in an Infiniti?

Potential causes of the B24B7 code include a faulty intake door motor, damaged wiring or connectors, or issues with the HVAC control module.

4. How can I diagnose the B24B7 code in my Infiniti?

Diagnosing the B24B7 code typically involves using a diagnostic scanner to retrieve the specific fault code, inspecting the intake door motor and related components for damage, and testing the electrical connections.

5. Is it safe to continue driving with a B24B7 code in my Infiniti?

While the vehicle may still be operable with a B24B7 code, it is recommended to address the issue promptly to prevent further damage to the HVAC system and ensure optimal comfort inside the vehicle.

6. Can I repair a B24B7 code in my Infiniti Intake Door Motor myself?

Depending on your level of automotive expertise, you may be able to replace the intake door motor or repair wiring issues yourself. However, it is recommended to consult a professional mechanic for accurate diagnosis and repair.

7. How much does it cost to fix a B24B7 code in an Infiniti?

The cost of repairing a B24B7 code can vary depending on the root cause of the issue, labor rates in your area, and whether new parts are needed. It's best to obtain quotes from local mechanics for an accurate estimate.

8. Are there any maintenance tips to prevent the B24B7 code from recurring?

Regularly servicing the HVAC system, checking for any unusual sounds or airflow issues, and addressing any minor problems promptly can help prevent the reoccurrence of the B24B7 code in your Infiniti.

9. Can a B24B7 code affect the overall performance of my Infiniti?

While the B24B7 code primarily relates to the HVAC system, unresolved issues with the intake door motor can impact the comfort level inside the vehicle and potentially affect the overall driving experience.

10. How long does it typically take to repair a B24B7 code in an Infiniti?

The repair time for a B24B7 code can vary based on the exact cause of the issue and the availability of replacement parts. In general, a professional mechanic can usually address the problem within a few hours to a day.