Engine-CodesInfiniti – B1346 Infiniti

B1346 Infiniti Code - Front Door Satellite Sensor Left Communication Out Specifications

Quick Answer

The B1346 Infiniti code indicates a communication error with the front door satellite sensor located on the left side of the vehicle. Common causes include Faulty front door satellite sensor, Damaged wiring or connectors, Loose connections. 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
B1346 Infiniti indicates Front Door Satellite Sensor Left Communication Out Specifications.
Common causes
Common causes include Faulty front door satellite sensor, Damaged wiring or connectors, Loose connections.
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 17, 2024
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Code B1346 Infiniti Description

The B1346 Infiniti code indicates a communication error with the front door satellite sensor located on the left side of the vehicle. This sensor is responsible for detecting the position of the front door, ensuring proper operation of the door locks, security system, and other related functions. When this sensor fails to communicate properly, it can lead to various issues affecting the vehicle's performance and safety.

OBDII Code B1346 Infiniti - Front Door Satellite Sensor Left Communication Out Specifications
B1346 Infiniti Code - Front Door Satellite Sensor Left Communication Out Specifications

Common Causes of B1346 Infiniti

  1. Faulty front door satellite sensor.
  2. Damaged wiring or connectors.
  3. Loose connections.
  4. Issues with the vehicle's computer system.
  5. Environmental factors such as water damage or corrosion.

Symptoms of B1346 Infiniti

  1. Front door not locking or unlocking properly.
  2. Security system malfunctions.
  3. Warning lights on the dashboard related to the door sensor.
  4. Inability to control certain functions related to the front door.

How to Fix B1346 Infiniti

  1. Begin by diagnosing the specific cause of the communication error using a diagnostic scanner.
  2. Inspect the front door satellite sensor, wiring, and connectors for any visible damage or loose connections.
  3. Replace the front door satellite sensor if it is found to be faulty.
  4. Repair or replace any damaged wiring or connectors.
  5. Clear the diagnostic code and test the system to ensure proper communication and functionality.

Cost to Fix B1346 Infiniti

The typical repair costs for addressing a B1346 Infiniti code can vary depending on the specific cause of the issue. In general, replacing a front door satellite sensor and addressing related wiring or connector problems can range from $200 to $500, including parts and labor. However, it's important to note that diagnostic time and labor rates at auto repair shops can vary significantly based on location, vehicle make and model, and engine type. It's recommended to check with local shops 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 B1346 Infiniti Code

1. What are the common symptoms of OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

The common symptoms include issues with the left front door sensor, such as malfunctioning door locks or interior lights, and potential issues with the vehicle's security system.

2. What are the possible causes of OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

Possible causes include a faulty front door satellite sensor, damaged wiring or connectors, or a communication error within the vehicle's network.

3. How can I diagnose OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

Diagnosis involves using an OBDII scanner to retrieve the trouble code, inspecting the left front door sensor for physical damage, and checking the wiring and connections for any issues.

4. Can I repair OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications myself?

Depending on the cause of the code, repairs may range from simple sensor replacement to more complex wiring repairs. It is recommended to consult a professional mechanic for accurate diagnosis and repair.

5. Is it safe to continue driving my Infiniti with OBDII code B1346 related to the Front Door Satellite Sensor Left Communication Out Specifications?

While the vehicle may still be operable, it is important to address the issue promptly to prevent potential security system malfunctions or other related problems. It is recommended to have the code diagnosed and repaired as soon as possible.

6. How much does it typically cost to repair OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

The cost of repair can vary depending on the root cause of the issue and the labor rates of the repair shop. It is advisable to obtain quotes from different mechanics to compare prices.

7. Are there any preventive measures I can take to avoid OBDII code B1346 in my Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

Routine maintenance checks, such as inspecting the door sensors and wiring for damage, can help prevent issues that may trigger this trouble code. Keeping the vehicle in good condition can also reduce the likelihood of sensor-related problems.

8. Can extreme weather conditions affect the occurrence of OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

Extreme temperatures or moisture can potentially impact the operation of sensors and wiring in the vehicle, leading to communication errors or malfunctions. It is important to keep the vehicle protected and address any weather-related damage promptly.

9. Will resetting the OBDII system clear the B1346 code related to the Front Door Satellite Sensor Left Communication Out Specifications in my Infiniti?

While resetting the system may temporarily clear the code, it is essential to address the underlying issue causing the code to prevent it from reoccurring. Simply resetting the system without proper diagnosis and repair may not solve the problem.

10. Can a low battery voltage trigger OBDII code B1346 in an Infiniti related to the Front Door Satellite Sensor Left Communication Out Specifications?

Low battery voltage can potentially affect the proper functioning of sensors and communication systems in the vehicle, leading to error codes like B1346. Ensuring the battery is in good condition can help prevent voltage-related issues.

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