AutoCodes – Nissan – B2705 Nissan

B2705 Nissan Code - Rear Sonar Sensor Left Outer Harness

Quick Answer

With power and ground supplied to the sonar sensors, the sonar sensors transmit an ultrasonic signal. Common causes include Faulty Rear Sonar Sensor Left Outer, Rear Sonar Sensor Left Outer harness is open or shorted, Rear 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
B2705 Nissan indicates Rear Sonar Sensor Left Outer Harness.
Common causes
Common causes include Faulty Rear Sonar Sensor Left Outer, Rear Sonar Sensor Left Outer harness is open or shorted, Rear 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 5,541
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 B2705 Nissan 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 Rear Sonar Sensor Left Outer is out of factory specifications.
OBDII Code B2705 Nissan - Rear Sonar Sensor Left Outer Harness - AutoCodes.com
B2705 Nissan Code - Rear Sonar Sensor Left Outer Harness

What are the Possible Causes of the DTC B2705 Nissan?

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

How to Fix the DTC B2705 Nissan?

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 B2705 Nissan 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 B2705 Nissan code?

Need more information on how to fix the B2705 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2705 Nissan 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 B2705 Nissan Code

1. What are the common symptoms of OBDII code B2705 for the Rear Sonar Sensor Left Outer Harness on a Nissan?

The common symptoms include the malfunction of the rear sonar system, leading to inaccurate readings or a complete failure of the left outer sensor.

2. What are the possible causes of OBDII code B2705 on a Nissan related to the Rear Sonar Sensor Left Outer Harness?

The code can be triggered by a damaged or faulty wiring harness connected to the left outer rear sonar sensor, a poor electrical connection, or sensor failure.

3. How can I diagnose the issue with the Rear Sonar Sensor Left Outer Harness triggering OBDII code B2705 on my Nissan?

To diagnose the problem, you can visually inspect the wiring harness for any visible damage, test the electrical connections for continuity, and use a diagnostic scanner to check the sensor's functionality.

4. Can I continue driving my Nissan with OBDII code B2705 related to the Rear Sonar Sensor Left Outer Harness?

It is not recommended to drive your vehicle with this code unresolved, as it can affect the accuracy of the rear sonar system and compromise your safety while parking or maneuvering in tight spaces.

5. How can I repair OBDII code B2705 for the Rear Sonar Sensor Left Outer Harness on my Nissan?

The repair typically involves replacing the damaged wiring harness connected to the left outer rear sonar sensor and ensuring all electrical connections are secure and functioning properly.

6. Are there any DIY tips for fixing OBDII code B2705 on a Nissan due to issues with the Rear Sonar Sensor Left Outer Harness?

While some basic troubleshooting steps can be taken, it is recommended to consult a professional mechanic or dealership for an accurate diagnosis and repair of the rear sonar sensor harness issue.

7. Will resetting the OBDII system clear the B2705 code related to the Rear Sonar Sensor Left Outer Harness on my Nissan?

Resetting the OBDII system may temporarily clear the code, but it is essential to address the underlying issue with the wiring harness or sensor to prevent the code from reoccurring.

8. How much does it typically cost to repair OBDII code B2705 for the Rear Sonar Sensor Left Outer Harness on a Nissan?

The cost of repair can vary depending on the extent of the damage and whether you choose to replace the wiring harness yourself or have it done by a professional technician. Costs can range from $100 to $300 or more.

9. Can extreme weather conditions cause OBDII code B2705 to appear in relation to the Rear Sonar Sensor Left Outer Harness on a Nissan?

Extreme weather conditions, such as exposure to moisture or high temperatures, can potentially damage the wiring harness or sensor, leading to the triggering of the B2705 trouble code.

10. Is it necessary to recalibrate the rear sonar system after repairing OBDII code B2705 for the Rear Sonar Sensor Left Outer Harness on a Nissan?

It is advisable to recalibrate the rear sonar system after any repairs to ensure accurate sensor readings and proper functionality. This can be done using a diagnostic scanner or by following the manufacturer's guidelines.

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