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B1338 Infiniti Code - Front Door Satellite Sensor Right Communication Error

Quick Answer

The B1338 Infiniti code indicates a communication error with the front door satellite sensor located on the right side of the vehicle. Common causes include Faulty front door satellite sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris interfering with sensor communication. 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
B1338 Infiniti indicates Front Door Satellite Sensor Right Communication Error.
Common causes
Common causes include Faulty front door satellite sensor, Damaged wiring or connectors leading to the sensor, Corrosion or debris interfering with sensor communication.
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 16, 2024
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Code B1338 Infiniti Description

The B1338 Infiniti code indicates a communication error with the front door satellite sensor located on the right side of the vehicle. This sensor is responsible for detecting impacts or movements on the front door, such as in the event of a collision or attempted break-in. When this sensor fails to communicate properly, it can lead to issues with the vehicle's safety systems, specifically the airbag deployment system.

OBDII Code B1338 Infiniti - Front Door Satellite Sensor Right Communication Error
B1338 Infiniti Code - Front Door Satellite Sensor Right Communication Error

Common Causes of B1338 Infiniti

  1. Faulty front door satellite sensor
  2. Damaged wiring or connectors leading to the sensor
  3. Corrosion or debris interfering with sensor communication
  4. ECM malfunction affecting sensor communication
  5. Impact or damage to the front door causing sensor issues

Symptoms of B1338 Infiniti

  1. Airbag warning light illuminated on the dashboard
  2. Inability to lock or unlock the front door using the key fob
  3. Erratic behavior of the power windows on the front door
  4. Loss of communication with the front door satellite sensor in the vehicle's diagnostic system

How to Fix B1338 Infiniti

  1. Begin by conducting a thorough inspection of the front door satellite sensor, wiring, and connectors for any visible damage or corrosion.
  2. Use a diagnostic scanner to retrieve the specific error codes and data related to the communication error.
  3. Test the front door satellite sensor's functionality by manually triggering it and checking for proper communication with the ECM.
  4. Replace the front door satellite sensor if it is found to be faulty, ensuring proper installation and calibration.
  5. Clear the error codes from the vehicle's system and perform a final test to confirm that the communication error has been resolved.

Cost to Fix B1338 Infiniti

The typical repair costs for addressing a front door satellite sensor right communication error can range from $200 to $500, including parts and labor. However, it's important to note that the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. Rates in metropolitan areas or at dealerships may be higher, while independent shops often charge less. It's recommended to check local rates for a more accurate estimate.

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B1338 Infiniti Code

1. What are the common symptoms of OBDII code B1338 in an Infiniti related to the Front Door Satellite Sensor Right Communication Error?

The common symptoms include issues with the airbag system, such as the airbag warning light illuminating on the dashboard.

2. What are some possible causes of the Front Door Satellite Sensor Right Communication Error (B1338) in an Infiniti?

Potential causes of this error code can be a faulty front door satellite sensor, damaged wiring or connectors, or a communication error within the airbag system.

3. How can I diagnose the Front Door Satellite Sensor Right Communication Error (B1338) in my Infiniti?

Diagnosing this error code typically involves using a professional OBDII scanner to retrieve the specific fault codes stored in the airbag system. Additionally, a visual inspection of the sensor and its connections may be necessary.

4. Is it safe to drive my Infiniti with the B1338 error code related to the Front Door Satellite Sensor Right Communication Error?

It is not recommended to drive the vehicle with an active airbag system error. It is crucial to get the issue diagnosed and repaired promptly to ensure the safety features of the vehicle are functioning correctly.

5. How can I repair the Front Door Satellite Sensor Right Communication Error (B1338) in my Infiniti?

Repairing this error code may involve replacing the faulty front door satellite sensor, repairing damaged wiring or connectors, or resetting the airbag system after addressing the communication error.

6. Can I reset the B1338 error code related to the Front Door Satellite Sensor Right Communication Error in my Infiniti without fixing the underlying issue?

Resetting the error code without addressing the root cause may temporarily turn off the warning light, but the issue will likely reoccur. It is essential to diagnose and repair the problem to ensure proper functioning of the airbag system.

7. How much does it typically cost to repair the B1338 error code in an Infiniti caused by the Front Door Satellite Sensor Right Communication Error?

The cost of repair can vary depending on the specific cause of the error. It is recommended to consult a professional mechanic or dealership for an accurate diagnosis and cost estimate.

8. Are there any DIY tips for troubleshooting the B1338 error code in an Infiniti related to the Front Door Satellite Sensor Right Communication Error?

While basic troubleshooting such as checking the sensor connections and wiring for damage can be done, more complex diagnostics and repairs may require professional expertise to ensure safety and accuracy.

9. Can the B1338 error code in an Infiniti be related to other issues besides the Front Door Satellite Sensor Right Communication Error?

While B1338 specifically refers to the Front Door Satellite Sensor Right Communication Error, other related issues within the airbag system could potentially trigger similar error codes. It's important to diagnose the specific fault accurately.

10. How long does it typically take to repair the B1338 error code in an Infiniti caused by the Front Door Satellite Sensor Right Communication Error?

The repair time can vary depending on the exact cause of the error and the complexity of the fix. Simple repairs may take a few hours, while more involved issues could require additional time for diagnosis and repair.

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