AutoCodes – Infiniti – B2700 Infiniti

B2700 Infiniti Code - Front Sonar Sensor Left Outer

Quick Answer

With power and ground supplied to the sonar sensors, the sonar sensors transmit an ultrasonic signal. Common causes include Faulty Front Sonar Sensor Left Outer, Front Sonar Sensor Left Outer harness is open or shorted, Front Sonar Sensor Left Outer 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
B2700 Infiniti indicates Front Sonar Sensor Left Outer.
Common causes
Common causes include Faulty Front Sonar Sensor Left Outer, Front Sonar Sensor Left Outer harness is open or shorted, Front Sonar Sensor Left Outer 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 1,721
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 25, 2020
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Code B2700 Infiniti Description

With power and ground supplied to the sonar sensors, the sonar sensors transmit an ultrasonic signal. This signal is reflected back to the sensor by objects large enough and close enough to be detected. The sonar sensors measure the time from the transmitted signal to the time the signal is reflected back and send this information to the Sonar Control Unit. The Sonar Control Unit sets the Diagnostic Trouble Code (DTC) when the Front Sonar Sensor Left Outer is out of factory specifications.
OBDII Code B2700 Infiniti - Front Sonar Sensor Left Outer - AutoCodes.com
B2700 Infiniti Code - Front Sonar Sensor Left Outer

What are the Possible Causes of the DTC B2700 Infiniti?

  • Faulty Front Sonar Sensor Left Outer
  • Front Sonar Sensor Left Outer harness is open or shorted
  • Front Sonar Sensor Left Outer circuit poor electrical connection
  • Faulty Sonar Control Unit

How to Fix the DTC B2700 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 B2700 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 B2700 Infiniti code?

Need more information on how to fix the B2700 Infiniti code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2700 Infiniti code diagnosed by a professional: Find a repair shop in your area

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 B2700 Infiniti Code

1. What does the OBDII code B2700 for the Infiniti Front Sonar Sensor Left Outer indicate?

The code B2700 indicates a malfunction in the Front Sonar Sensor Left Outer of an Infiniti vehicle.

2. What are the common symptoms of a Front Sonar Sensor Left Outer issue in an Infiniti?

Common symptoms include the front parking sensors not detecting obstacles or providing inaccurate readings, leading to potential safety concerns during parking maneuvers.

3. What are the possible causes of the B2700 code on an Infiniti?

Common causes of the B2700 code include damaged or faulty front sonar sensors, wiring issues, or a malfunction in the sensor control module.

4. How can I diagnose a Front Sonar Sensor Left Outer problem in my Infiniti?

Diagnosis typically involves visually inspecting the sensor for physical damage, checking for loose or corroded wiring connections, and using a diagnostic scanner to retrieve the specific trouble code.

5. Can I repair a Front Sonar Sensor Left Outer issue in my Infiniti myself?

Depending on the exact cause, DIY repairs may be possible, such as replacing a damaged sensor or repairing a faulty wiring connection. However, complex issues or sensor module malfunctions may require professional diagnosis and repair.

6. Are there any tips to prevent a Front Sonar Sensor Left Outer malfunction in my Infiniti?

To prevent sensor issues, regularly clean the sensor area to avoid dirt or debris buildup that could interfere with sensor functionality. Additionally, avoid impacts or collisions that could damage the sensors.

7. How crucial is it to address the B2700 code in an Infiniti promptly?

Addressing the B2700 code promptly is important to ensure the proper functioning of the front sonar sensor system, which plays a vital role in parking assistance and collision avoidance features.

8. Can a malfunctioning Front Sonar Sensor Left Outer impact other safety systems in my Infiniti?

Yes, a malfunctioning sensor can potentially impact other safety systems that rely on sensor data, such as adaptive cruise control or automatic emergency braking, leading to reduced safety features.

9. Is it safe to continue driving with a B2700 code related to the Front Sonar Sensor Left Outer in my Infiniti?

While the vehicle may still be operable, it is not recommended to continue driving with a malfunctioning front sonar sensor, as it can compromise parking assistance and collision avoidance systems.

10. How much can I expect to pay for repairing a Front Sonar Sensor Left Outer issue in my Infiniti?

The cost of repairing a Front Sonar Sensor Left Outer problem can vary depending on the exact cause of the issue, but it may involve sensor replacement, wiring repairs, or sensor module reprogramming, potentially ranging from a few hundred to over a thousand dollars.

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