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B2902 Infiniti Code - Power Delivery Module Internal Malfunction

Quick Answer

The B2902 Infiniti code indicates that there is an internal malfunction within the Power Delivery Module (PDM) of the vehicle. Common causes include Faulty Power Delivery Module, Wiring issues, Corrosion or damage to connectors. 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
B2902 Infiniti indicates Power Delivery Module Internal Malfunction.
Common causes
Common causes include Faulty Power Delivery Module, Wiring issues, Corrosion or damage to connectors.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 18, 2024
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Code B2902 Infiniti Description

The B2902 Infiniti code indicates that there is an internal malfunction within the Power Delivery Module (PDM) of the vehicle. The PDM is responsible for managing the power distribution to various components within the vehicle, ensuring that they receive the appropriate voltage and current for proper operation. When this module malfunctions, it can lead to a variety of issues that affect the vehicle's performance and functionality.

OBDII Code B2902 Infiniti - Power Delivery Module Internal Malfunction
B2902 Infiniti Code - Power Delivery Module Internal Malfunction

Common Causes of B2902 Infiniti

  1. Faulty Power Delivery Module
  2. Wiring issues
  3. Corrosion or damage to connectors
  4. Software glitches within the module

Symptoms of B2902 Infiniti

  1. Erratic behavior of electrical components (lights, power windows, door locks)
  2. Engine performance issues
  3. Electrical system failures
  4. Warning lights illuminated on the dashboard

How to Fix B2902 Infiniti

  1. Diagnose the specific cause of the internal malfunction in the Power Delivery Module using a diagnostic scanner.
  2. Inspect the wiring and connectors for any damage or corrosion, repairing or replacing as necessary.
  3. If the PDM is found to be faulty, replace it with a new unit and reprogram it to the vehicle's specifications.
  4. Clear the diagnostic trouble codes and perform a test drive to ensure that the issue has been resolved.
  5. Perform a final check of all electrical components to verify proper operation.

Cost to Fix B2902 Infiniti

The typical repair costs for a Power Delivery Module Internal Malfunction can vary depending on the specific cause of the issue and the cost of parts and labor. Generally, the cost of replacing a faulty PDM can range from $300 to $800, including parts and labor. However, it's important to note that diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check with local shops for a more accurate estimate.

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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 B2902 Infiniti Code

1. What does the OBDII code B2902 mean on an Infiniti?

The code B2902 indicates a "Power Delivery Module Internal Malfunction," which means there is an issue with the internal circuitry or software of the Power Delivery Module.

2. What are the common symptoms of the B2902 code on an Infiniti?

Symptoms may include electrical malfunctions, issues with starting the vehicle, non-functional accessories, or intermittent power supply failures.

3. What causes the B2902 code to appear on Infiniti vehicles?

The code is typically caused by a faulty Power Delivery Module, wiring issues, water intrusion, or software glitches.

4. Can I drive my Infiniti with the B2902 code active?

While the vehicle may still be drivable, it is not recommended as the malfunction could lead to further electrical failures or compromise safety systems.

5. How is the B2902 code diagnosed?

A mechanic will use a diagnostic scanner to confirm the code, inspect the Power Delivery Module and its wiring, and check for water damage or loose connections.

6. What are the repair options for a B2902 code on an Infiniti?

Repairs may include replacing or reprogramming the Power Delivery Module, repairing damaged wiring, or cleaning and sealing connectors to prevent water intrusion.

7. How much does it cost to fix the B2902 code on an Infiniti?

The repair cost depends on the specific issue but typically ranges from $300 to $800, including diagnostics, parts, and labor.

8. Can a software update fix the B2902 code on an Infiniti?

In some cases, a software update to the Power Delivery Module can resolve the issue if the malfunction is software-related.

9. How can I prevent the B2902 code from recurring?

Regularly inspect the electrical system for damage, avoid exposing the vehicle to excessive moisture, and ensure all software updates are performed as recommended by Infiniti.

10. Does the B2902 code require immediate attention?

Yes, since it involves the Power Delivery Module, addressing the issue promptly can prevent further electrical problems and ensure safe operation of the vehicle.

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