Engine-CodesInfiniti – B1348 Infiniti

B1348 Infiniti Code - Front Door Satellite Sensor Left Communication Error

Quick Answer

The B1348 Infiniti code indicates a Front Door Satellite Sensor Left Communication Error. Common causes include Faulty front door satellite sensor, Wiring issues or loose connections, Malfunctioning control module. 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
B1348 Infiniti indicates Front Door Satellite Sensor Left Communication Error.
Common causes
Common causes include Faulty front door satellite sensor, Wiring issues or loose connections, Malfunctioning control module.
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.
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B1348 Infiniti Description

The B1348 Infiniti code indicates a Front Door Satellite Sensor Left Communication Error. In modern vehicles, satellite sensors are used to communicate with the vehicle's computer system to provide information about the door's position, status, and security. The front door satellite sensor on the left side plays a crucial role in ensuring the proper functioning of various systems, including the door locking mechanism, alarm system, and airbag deployment in case of a collision.

OBDII Code B1348 Infiniti - Front Door Satellite Sensor Left Communication Error
B1348 Infiniti Code - Front Door Satellite Sensor Left Communication Error

Common Causes of B1348 Infiniti

  1. Faulty front door satellite sensor.
  2. Wiring issues or loose connections.
  3. Malfunctioning control module.
  4. Communication breakdown between sensor and vehicle's computer system.

Symptoms of B1348 Infiniti

  1. Door not locking or unlocking properly.
  2. Alarm system malfunctioning.
  3. Airbag warning light illuminated on the dashboard.
  4. Inconsistent behavior of the door sensor.

How to Fix B1348 Infiniti

  1. Begin by conducting a thorough diagnostic scan to retrieve the specific error codes and pinpoint the issue.
  2. Inspect the wiring harness and connections for any damage or corrosion, repairing or replacing as necessary.
  3. Test the front door satellite sensor for proper functionality and replace if found to be faulty.
  4. Check the control module for any malfunctions and address any issues accordingly.
  5. Clear the error codes and perform a final test to ensure that the communication error has been resolved.

Cost to Fix B1348 Infiniti

The typical repair costs for a Front Door Satellite Sensor Left Communication Error can vary depending on the specific cause of the issue and the extent of the repairs needed. On average, the parts for this repair could range from $100 to $300, while labor costs could range from $150 to $300. It's important to note that these are rough estimates, and actual costs may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to consult with a qualified mechanic or auto repair shop for a more accurate cost 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 B1348 Infiniti Code

1. What are the common symptoms of OBDII code B1348 in an Infiniti related to the Front Door Satellite Sensor Left Communication Error?

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

2. What could cause the Front Door Satellite Sensor Left Communication Error (B1348) in an Infiniti?

Possible causes of this error code include a faulty front door satellite sensor, damaged wiring or connectors, or a problem with the airbag control module.

3. How can I diagnose the Front Door Satellite Sensor Left Communication Error (B1348) in my Infiniti?

Diagnosis typically involves using an OBDII scanner to read the trouble code, inspecting the front door satellite sensor and its wiring for any visible damage, and checking the connections to ensure they are secure.

4. Can I drive my Infiniti with the B1348 code related to the Front Door Satellite Sensor Left Communication Error?

It is not recommended to drive the vehicle with this error code present, as it indicates a potential issue with the airbag system which could affect its functionality in the event of a collision.

5. How can I repair the Front Door Satellite Sensor Left Communication Error (B1348) in my Infiniti?

Repairing this error may involve replacing the front door satellite sensor, repairing any damaged wiring or connectors, or reprogramming the airbag control module, depending on the root cause of the issue.

6. Are there any safety concerns associated with OBDII code B1348 in an Infiniti?

Yes, this error code is related to the airbag system, so there are potential safety concerns if the system is not functioning correctly. It is crucial to address this issue promptly.

7. Can a DIY enthusiast fix the Front Door Satellite Sensor Left Communication Error (B1348) in an Infiniti?

While some basic diagnostics can be done by a DIY enthusiast, repairing this error code may require specialized tools and expertise, so it is recommended to consult a professional mechanic.

8. How much does it typically cost to repair the B1348 code in an Infiniti caused by the Front Door Satellite Sensor Left Communication Error?

The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to a few thousand dollars, including parts and labor.

9. Will resetting the OBDII code B1348 in my Infiniti make the problem go away?

Resetting the code may temporarily clear the error from the system, but if the underlying issue is not addressed, the code is likely to return. It is essential to diagnose and repair the root cause of the problem.

10. How long does it typically take to repair the Front Door Satellite Sensor Left Communication Error (B1348) in an Infiniti?

The repair time can vary depending on the extent of the issue and the availability of parts, but it may take a few hours to a full day to diagnose and fix the problem completely.

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