AutoCodes – Infiniti – B2703 Infiniti

B2703 Infiniti 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 Infiniti 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.
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Code Popularity 1,932
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 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 Right Outer is out of factory specifications.
OBDII Code B2703 Infiniti - Front Sonar Sensor Right Outer Harness - AutoCodes.com
B2703 Infiniti Code - Front Sonar Sensor Right Outer Harness

What are the Possible Causes of the DTC B2703 Infiniti?

  • 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 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 B2703 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 B2703 Infiniti code?

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

Need Help with the Code?

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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 Infiniti Code

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

The common symptoms include the malfunction of the front sonar sensor on the right outer side, leading to issues with the vehicle's parking assistance system.

2. What could cause the OBDII code B2703 related to the Front Sonar Sensor Right Outer Harness in an Infiniti?

The code B2703 in an Infiniti is often triggered by a faulty front sonar sensor right outer harness, which may be damaged, disconnected, or experiencing electrical issues.

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

To diagnose the issue, you can visually inspect the harness for any visible damage, check for loose connections, and use a multimeter to test the continuity and voltage of the wiring.

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

If you have experience with automotive electrical systems, you may be able to repair the Front Sonar Sensor Right Outer Harness issue yourself by repairing or replacing the damaged wiring or connectors.

5. Will driving with OBDII code B2703 related to the Front Sonar Sensor Right Outer Harness affect my Infiniti's performance?

While driving with this code may not directly impact the vehicle's performance, it can disable the front parking assistance system, affecting your ability to use this feature.

6. Is it necessary to replace the Front Sonar Sensor Right Outer Harness to resolve OBDII code B2703 in my Infiniti?

Replacing the Front Sonar Sensor Right Outer Harness is often the most effective solution to resolve code B2703 and restore the proper functioning of the front sonar sensor.

7. How much does it typically cost to repair the Front Sonar Sensor Right Outer Harness issue triggering OBDII code B2703 in an Infiniti?

The cost of repairing the Front Sonar Sensor Right Outer Harness 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.

8. Can extreme weather conditions cause the Front Sonar Sensor Right Outer Harness issue leading to OBDII code B2703 in an Infiniti?

Extreme weather conditions, such as exposure to moisture or extreme temperatures, can contribute to the deterioration of the Front Sonar Sensor Right Outer Harness and trigger code B2703.

9. How quickly should I address OBDII code B2703 related to the Front Sonar Sensor Right Outer Harness in my Infiniti?

It is recommended to address code B2703 promptly to prevent further damage to the front sonar sensor system and ensure the proper functioning of the parking assistance feature.

10. Are there any preventative measures I can take to avoid OBDII code B2703 in my Infiniti due to the Front Sonar Sensor Right Outer Harness issue?

Regularly inspecting the front sonar sensor system for any signs of damage, ensuring proper maintenance, and protecting the wiring from harsh environmental conditions can help prevent code B2703 from occurring.

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