B2708
Rear Sonar Sensor Left Inner
B2708 is an OBD-II diagnostic trouble code meaning: Rear Sonar Sensor Left Inner. Common causes: mechanical damage to the sensor, open or short circuit in wiring harness. Estimated repair cost: $33–89.
Symptoms
- Incorrect operation of the parking sensors (false alarms)
- No signal from the left internal sensor
- Parking system error message on dashboard
Causes
- Mechanical damage to the sensor
- Open or short circuit in wiring harness
- Oxidation of contacts
- Contamination of the sensor surface
- Malfunction of the sensor itself
How to Fix
- Visually inspect the sensor for damage
- Checking the cleanliness of the sensor surface
- Diagnostics of sensor resistance and circuit integrity
- Checking voltage and ground at the sensor connector
- Replace the sensor if necessary
Related codes
FAQ
What does the B2708 code mean?
B2708 is an OBD-II diagnostic trouble code that indicates: Rear Sonar Sensor Left Inner
What causes a B2708 error code?
The most common causes of B2708 include: Mechanical damage to the sensor; Open or short circuit in wiring harness; Oxidation of contacts; Contamination of the sensor surface.
How do I fix a B2708 diagnostic trouble code?
To fix B2708: Visually inspect the sensor for damage. Checking the cleanliness of the sensor surface. Diagnostics of sensor resistance and circuit integrity. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with B2708?
Limited driving only, diagnose soon
How much does it cost to fix B2708?
The estimated repair cost for B2708 is $33–89. Actual cost depends on your vehicle, location, and labor rates.
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