AutoCodes – Nissan – B2703 Nissan

B2703 Nissan Code - Front Sonar Sensor Right Outer Harness

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 Right Outer, Front Sonar Sensor Right Outer harness is open or shorted, Front Sonar Sensor Right 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
B2703 Nissan indicates Front Sonar Sensor Right Outer Harness.
Common causes
Common causes include Faulty Front Sonar Sensor Right Outer, Front Sonar Sensor Right Outer harness is open or shorted, Front Sonar Sensor Right 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 3,282
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 B2703 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 Front Sonar Sensor Right Outer is out of factory specifications.
OBDII Code B2703 Nissan - Front Sonar Sensor Right Outer Harness - AutoCodes.com
B2703 Nissan Code - Front Sonar Sensor Right Outer Harness

What are the Possible Causes of the DTC B2703 Nissan?

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

How to Fix the DTC B2703 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 B2703 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 B2703 Nissan code?

Need more information on how to fix the B2703 Nissan code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2703 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 B2703 Nissan Code

1. What are the common symptoms of OBDII code B2703 in a Nissan related to the Front Sonar Sensor Right Outer Harness?

The common symptoms include malfunctioning or inoperative front parking assist sensors on the right side of the vehicle.

2. What are the possible causes of OBDII code B2703 in a Nissan?

The code B2703 typically signifies a fault in the front sonar sensor right outer harness, which could be due to wiring issues, sensor damage, or water intrusion.

3. How can I diagnose the Front Sonar Sensor Right Outer Harness issue triggering code B2703 in my Nissan?

To diagnose the problem, you can visually inspect the wiring harness, check for any visible damage or corrosion, and use a multimeter to test for continuity and proper voltage.

4. Can I repair the Front Sonar Sensor Right Outer Harness issue causing code B2703 myself?

If you have experience working with automotive wiring and electrical systems, you may be able to repair the harness issue yourself by replacing damaged wires, connectors, or the sensor itself.

5. Is it safe to drive my Nissan with OBDII code B2703 related to the Front Sonar Sensor Right Outer Harness?

While the vehicle should still be safe to drive with this code, it is recommended to address the issue promptly to ensure the parking assist system functions correctly.

6. Will resetting the OBDII code B2703 in my Nissan make the problem go away?

Resetting the code may temporarily clear the fault from the system, but if the underlying issue with the Front Sonar Sensor Right Outer Harness is not resolved, the code is likely to reappear.

7. How much does it typically cost to repair the Front Sonar Sensor Right Outer Harness issue causing code B2703 in a Nissan?

The cost of repair can vary depending on the extent of the damage and whether you choose to do the repair yourself or take it to a professional mechanic. Costs may range from a few hundred dollars to over a thousand.

8. Can extreme weather conditions affect the Front Sonar Sensor Right Outer Harness and trigger code B2703 in a Nissan?

Yes, extreme weather conditions such as heavy rain, snow, or extreme heat can potentially damage the wiring or sensors, leading to the triggering of code B2703.

9. Are there any preventive measures I can take to avoid encountering OBDII code B2703 related to the Front Sonar Sensor Right Outer Harness in my Nissan?

Regularly inspecting the front sonar sensor harness for any signs of wear or damage, keeping the sensors clean, and avoiding driving through deep water can help prevent issues that trigger this code.

10. How long does it typically take to repair the Front Sonar Sensor Right Outer Harness issue causing code B2703 in a Nissan?

The repair time can vary depending on the extent of the damage and your experience level. It may take anywhere from a couple of hours to a full day to complete the repair.

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