AutoCodes – Infiniti – B2615 Infiniti

B2615 Infiniti Code - Blower Relay Circuit

Quick Answer

The Body Control Module (BCM) controls the various electrical components and simultaneously supplies power according to the power supply position. Common causes include Faulty Blower Relay, Blower Relay harness is open or shorted, Blower Relay 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: B2615 Infiniti indicates Blower Relay Circuit.
Common causes: Common causes include Faulty Blower Relay, Blower Relay harness is open or shorted, Blower Relay 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 1,992

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 Jan 08, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2615 Infiniti Description

The Body Control Module (BCM) controls the various electrical components and simultaneously supplies power according to the power supply position. The BCM checks the power supply position internally. The Diagnostic Trouble Code (DTC) sets when the BCM detects a difference of signal for 1 second or more between the following information: Blower relay ON/OFF request and Blower relay feedback.

OBDII Code B2615 Infiniti - Blower Relay Circuit - AutoCodes.com — B2615 Infiniti Code - Blower Relay Circuit

What does this mean?

What are the Possible Causes of the DTC B2615 Infiniti?

Faulty Blower Relay
Blower Relay harness is open or shorted
Blower Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B2615 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 B2615 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 B2615 Infiniti code?

Need more information on how to fix the B2615 Infiniti code? Get Access to Factory Service Manuals

Need Help with the 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 B2615 Infiniti Code

1. What are the common symptoms of OBDII code B2615 Infiniti (Blower Relay Circuit)?

- Common symptoms include the blower fan not working, inconsistent airflow from the vents, or the HVAC system not responding.

2. What are possible causes of the Blower Relay Circuit OBDII code B2615 in an Infiniti?

- Potential causes include a faulty blower relay, a damaged blower motor, wiring issues, or a malfunctioning HVAC control module.

3. How can I diagnose the Blower Relay Circuit OBDII code B2615 in my Infiniti?

- Diagnostic steps include checking the blower relay and motor for continuity, inspecting the wiring for any damage, and using a scan tool to read the code and monitor system data.

4. Can I still drive my Infiniti with the OBDII code B2615 (Blower Relay Circuit) present?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to avoid discomfort or potential HVAC system damage.

5. What are some DIY repair tips for fixing the Blower Relay Circuit OBDII code B2615 in an Infiniti?

- DIY repair tips include checking and replacing the blower relay, inspecting and repairing any damaged wiring, and testing the blower motor for proper operation.

6. Is it necessary to visit a mechanic for the repair of OBDII code B2615 (Blower Relay Circuit) in an Infiniti?

- While some DIY repairs are possible, it is recommended to consult a qualified mechanic for accurate diagnosis and repair of complex electrical issues like the blower relay circuit.

7. How much does it typically cost to fix the Blower Relay Circuit OBDII code B2615 in an Infiniti?

- Repair costs can vary depending on the root cause of the issue, but expect to pay anywhere from $100 to $300 for parts and labor to address the blower relay circuit problem.

8. Can a faulty blower relay cause other issues in my Infiniti besides triggering the OBDII code B2615?

- Yes, a faulty blower relay can also lead to issues like inconsistent fan speeds, no airflow from the vents, or a complete HVAC system failure.

9. What steps should I take if I reset the OBDII code B2615 (Blower Relay Circuit) and it comes back?

- If the code returns after being reset, it indicates a persistent issue that needs further investigation. Recheck the components related to the blower relay circuit for proper function.

10. How long does it take to repair the Blower Relay Circuit OBDII code B2615 in an Infiniti?

- Repair times can vary depending on the exact cause of the issue and the repair process involved, but typically, it can take 1-2 hours to diagnose and fix the blower relay circuit problem.