B2707 Code - Rear Sonar Sensor Right Outer Harness
Quick Answer
The B2707 diagnostic trouble code (DTC) indicates an issue with the rear sonar sensor right outer harness in the vehicle. Common causes include Damaged or worn wiring in the right outer harness, Water intrusion causing corrosion in the sensor connections, Rodent damage to the wiring. 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
- B2707 indicates Rear Sonar Sensor Right Outer Harness.
- Common causes
- Common causes include Damaged or worn wiring in the right outer harness, Water intrusion causing corrosion in the sensor connections, Rodent damage to the wiring.
- 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 B2707 Description
The B2707 diagnostic trouble code (DTC) indicates an issue with the rear sonar sensor right outer harness in the vehicle. The rear sonar system is a safety feature that helps drivers avoid collisions while parking by alerting them to obstacles behind the vehicle. The sensor is located on the rear bumper and uses ultrasonic waves to detect objects. When the right outer harness is malfunctioning, it can lead to inaccurate or non-functional sensor readings, potentially putting the vehicle and its occupants at risk.
Common Causes of B2707
- Damaged or worn wiring in the right outer harness.
- Water intrusion causing corrosion in the sensor connections.
- Rodent damage to the wiring.
- Manufacturing defects in the sensor or harness components.
- Electrical issues in the vehicle's wiring system affecting the rear sonar sensor.
Symptoms of B2707
- Rear sonar system not providing accurate distance readings.
- Constant or intermittent false alarms from the rear sensor.
- Rear sonar system error message displayed on the dashboard.
- Loss of functionality in the rear sonar system, with no audible warnings when approaching obstacles.
- Inability to turn off the rear sonar system even when desired.
How to Fix B2707
- Begin by diagnosing the specific cause of the B2707 code using a diagnostic scanner to pinpoint the fault in the rear sonar system.
- Inspect the right outer harness for any visible damage, such as frayed wires or corrosion, and repair or replace as necessary.
- Check for water intrusion in the sensor connections and dry out the affected areas to prevent further damage.
- Test the rear sonar system functionality after repairing the harness to ensure proper operation.
- Clear the DTC from the vehicle's ECU using the diagnostic scanner to reset the system and verify that the code does not reappear.
Cost to Fix B2707
The typical repair costs for addressing the B2707 code related to the rear sonar sensor right outer harness can range from $150 to $300, including parts and labor. However, it is important to note that the actual cost may vary depending on the specific vehicle make and model, the extent of the damage, and the labor rates charged by auto repair shops. Diagnosis time and labor rates can also impact the overall repair expenses, with hourly rates typically ranging between $80 and $150. It is advisable to consult with a trusted mechanic or dealership to obtain a more accurate estimate based on your vehicle's requirements.
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Code B2707 Information for Specific Makes
- B2707 Buick — Gearshift Unlock Circuit Low
- B2707 Cadillac — Gearshift Unlock Circuit Low
- B2707 Chevrolet — Gearshift Unlock Circuit Low
- B2707 GMC — Gearshift Unlock Circuit Low
- B2707 Infiniti — Rear Sonar Sensor Right Outer Harness
- B2707 Nissan — Rear Sonar Sensor Right Outer Harness
Frequently Asked Questions about B2707 Code
1. What does the OBDII code B2707 mean?
The code B2707 indicates an issue with the rear sonar sensor right outer harness, typically due to a fault in the wiring, sensor connection, or the sensor itself.
2. What are the common symptoms of code B2707?
Common symptoms include deactivation of the parking assist system, inaccurate distance readings, or no response from the rear sonar sensor.
3. What causes the B2707 code to trigger?
The most common causes are damaged wiring, corroded connectors, a faulty sonar sensor, or a malfunction in the parking assist module.
4. How do I diagnose the B2707 code?
Start by visually inspecting the right outer sonar sensor and its wiring for damage or corrosion. Then, use a scan tool to confirm the fault and test the sensor's functionality.
5. Can a damaged harness cause the B2707 code?
Yes, a damaged or shorted harness can disrupt the connection between the sensor and the control module, triggering the code.
6. Is it safe to drive with a B2707 code?
Yes, but the parking assist system may not function correctly, increasing the risk of accidents when reversing or parking.
7. How do I fix the B2707 code?
Repair or replace any damaged wiring, clean corroded connectors, and, if necessary, replace the sonar sensor or recalibrate the system.
8. Do I need to clear the B2707 code after repairs?
Yes, you’ll need to clear the code using an OBDII scanner after completing the repairs to ensure the issue is resolved.
9. Can extreme weather influence the B2707 code?
Yes, extreme cold or moisture can affect the sensor's performance or cause corrosion in the connectors, leading to this code.
10. How much does it cost to repair a B2707 code issue?
Costs vary but generally range from $100 to $300, depending on whether the issue is with the sensor, wiring, or connectors.
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