B2728 Nissan Code - Sonar System Off Switch
Quick Answer
The sonar system off switch is used to turn the sonar system ON/OFF. Common causes include Faulty Sonar System Off Switch, Sonar System Off Switch harness is open or shorted, Sonar System Off Switch 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
- B2728 Nissan indicates Sonar System Off Switch.
- Common causes
- Common causes include Faulty Sonar System Off Switch, Sonar System Off Switch harness is open or shorted, Sonar System Off Switch 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.
Code B2728 Nissan Description
What are the Possible Causes of the DTC B2728 Nissan?
- Faulty Sonar System Off Switch
- Sonar System Off Switch harness is open or shorted
- Sonar System Off Switch circuit poor electrical connection
- Faulty Sonar Control Unit
How to Fix the DTC B2728 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 B2728 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.
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Frequently Asked Questions about B2728 Nissan Code
1. What does the OBDII code B2728 mean on a Nissan?
B2728 indicates an issue with the Sonar System Off Switch, which controls the activation of the parking sonar system.
2. What are the common symptoms of code B2728 in a Nissan?
The parking sonar system may be disabled, the Sonar System Off light might stay on, or the parking sensors may not function properly.
3. What causes the B2728 code to appear on a Nissan?
Possible causes include a faulty Sonar System Off Switch, damaged wiring or connectors, or an issue with the system's control module.
4. How can I diagnose the B2728 code on my Nissan?
Use a scan tool to confirm the code, inspect the Sonar System Off Switch for damage, and check the wiring and connectors for continuity or corrosion.
5. Can I drive my Nissan with the B2728 code active?
Yes, but the parking assist sonar system may not work, impacting safety when parking or reversing.
6. How do I fix the B2728 code on my Nissan?
Repairs may include replacing the Sonar System Off Switch, repairing or replacing damaged wiring or connectors, or reprogramming the control module if needed.
7. How much does it cost to fix the B2728 code on a Nissan?
Costs vary based on the repair, but replacing the Sonar System Off Switch typically costs between $50 and $150 for the part, plus labor.
8. Can a blown fuse cause the B2728 code on a Nissan?
While unlikely, a blown fuse in the parking assist system circuit could contribute to the issue and should be checked during diagnosis.
9. Does the B2728 code require reprogramming the control module?
Reprogramming is not always required but may be necessary if the issue stems from a software glitch or module failure.
10. Is the B2728 code specific to Nissan vehicles?
While the code is commonly associated with Nissan models, other manufacturers may use similar codes for sonar system issues. Always verify with your vehicle's service manual.
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