B2700
Front Sonar Sensor Left Outer
B2700 is an OBD-II diagnostic trouble code meaning: Front Sonar Sensor Left Outer. Common causes: mechanical damage to the sensor, contamination of the sensor surface. Estimated repair cost: $33–111.
Symptoms
- The parking sensors system does not respond to obstacles on the left front
- False alarms of parking sensors
- Constant beep when reverse gear is engaged
- Parking system error message on dashboard
Causes
- Mechanical damage to the sensor
- Contamination of the sensor surface
- Open or short circuit in wiring harness
- Poor contact in the sensor connector
- Malfunction of the parking sensor control module
How to Fix
- Visually inspect the sensor for damage
- Cleaning the sensor surface from dirt
- Checking the integrity of the wiring harness and contacts in the connector
- Sensor resistance diagnostics
- Checking the operation of the parking sensor system with a scanner
- Replace the sensor if necessary
Related codes
FAQ
What does the B2700 code mean?
B2700 is an OBD-II diagnostic trouble code that indicates: Front Sonar Sensor Left Outer
What causes a B2700 error code?
The most common causes of B2700 include: Mechanical damage to the sensor; Contamination of the sensor surface; Open or short circuit in wiring harness; Poor contact in the sensor connector.
How do I fix a B2700 diagnostic trouble code?
To fix B2700: Visually inspect the sensor for damage. Cleaning the sensor surface from dirt. Checking the integrity of the wiring harness and contacts in the connector. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2700?
Limited driving only, diagnose soon
How much does it cost to fix B2700?
The estimated repair cost for B2700 is $33–111. Actual cost depends on your vehicle, location, and labor rates.
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