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Engine-Codes – GMC – B0957 2015 GMC Sierra

B0957 2015 GMC Sierra Code - Parking Assist Front Sensor Right Corner Circuit

Quick Answer

The B0957 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Parking Assist Front Sensor Right Corner Circuit. Common causes include Faulty front right corner parking sensor, Wiring issues or damage to the sensor circuit, Corrosion or debris affecting sensor performance. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0957 2015 GMC Sierra indicates Parking Assist Front Sensor Right Corner Circuit.
Common causes
Common causes include Faulty front right corner parking sensor, Wiring issues or damage to the sensor circuit, Corrosion or debris affecting sensor performance.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
What is this?
Table of contents Created and updated by William Orellana on Sep 16, 2024
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Code B0957 2015 GMC Sierra Description

The B0957 diagnostic trouble code (DTC) for a 2015 GMC Sierra relates to the Parking Assist Front Sensor Right Corner Circuit. This code indicates that there is a malfunction in the circuitry of the front right corner parking sensor. The parking assist system in modern vehicles uses sensors located on the front and rear bumpers to detect obstacles and alert the driver to potential collisions while parking. When this specific sensor circuit fails, it can lead to inaccurate readings or a complete failure of the parking assist system.

OBDII Code B0957 2015 GMC Sierra - Parking Assist Front Sensor Right Corner Circuit
B0957 2015 GMC Sierra Code - Parking Assist Front Sensor Right Corner Circuit

Common Causes of B0957 2015 GMC Sierra

  1. Faulty front right corner parking sensor
  2. Wiring issues or damage to the sensor circuit
  3. Corrosion or debris affecting sensor performance
  4. Electronic control module (ECM) failure
  5. Impact or physical damage to the sensor

Symptoms of B0957 2015 GMC Sierra

  1. Parking assist system not functioning properly
  2. Inaccurate distance readings on the parking assist display
  3. Warning lights related to the parking assist system illuminated on the dashboard
  4. Audible alerts from the parking assist system not working

How to Fix B0957 2015 GMC Sierra

  1. Begin by visually inspecting the front right corner parking sensor for any visible damage or signs of corrosion.
  2. Check the wiring harness connected to the sensor for any frayed wires or loose connections.
  3. Use a multimeter to test the continuity of the sensor circuit and ensure that it is functioning properly.
  4. If the sensor is determined to be faulty, replace it with a new OEM sensor.
  5. Clear the DTC from the vehicle's computer using a diagnostic scan tool and test the parking assist system to verify proper functionality.

Cost to Fix B0957 2015 GMC Sierra

The cost of repairing a Parking Assist Front Sensor Right Corner Circuit issue can vary depending on the specific cause of the problem and the cost of parts and labor. In general, replacing a faulty sensor and addressing any wiring issues may range from $200 to $500, including parts and labor. However, it is important to note that labor rates at auto repair shops can vary, with hourly rates typically ranging from $80 to $150. Additionally, the cost of OEM sensors and diagnostic services may also impact the overall repair cost. For a more accurate estimate, it is recommended to consult with a local auto repair shop or dealership.

What does this mean?

Tech Notes for B0957 2015 GMC Sierra

B0957:01 Parking Assist Front Sensor Right Corner Circuit Short to Battery

B0957:02 Parking Assist Front Sensor Right Corner Circuit Short to Ground

B0957:04 Parking Assist Front Sensor Right Corner Circuit Open

B0957:06 Parking Assist Front Sensor Right Corner Circuit Low Voltage/Open

B0957:08 Parking Assist Front Sensor Right Corner Circuit Performance - Signal Invalid

B0957:18 Parking Assist Front Sensor Right Corner Circuit Low Signal Amplitude

B0957:21 Parking Assist Front Sensor Right Corner Circuit Incorrect Period

B0957:22 Parking Assist Front Sensor Right Corner Circuit Too Short Low-Time

B0957:3A Parking Assist Front Sensor Right Corner Circuit Incorrect Component Installed

B0957:3B Parking Assist Front Sensor Right Corner Circuit Self-Test Malfunction

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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 B0957 2015 GMC Sierra Code

1. What does the OBDII code B0957 indicate on a 2015 GMC Sierra?

The code B0957 indicates a fault in the Parking Assist Front Sensor Right Corner Circuit, suggesting an issue with the sensor's functionality or connection.

2. What symptoms might I notice if my 2015 GMC Sierra has the B0957 code?

Symptoms include the parking assist system failing to activate, an error message on the dash, or the system not detecting obstacles on the front right corner accurately.

3. What are common causes of the B0957 code in a 2015 GMC Sierra?

Common causes include a faulty front right corner parking assist sensor, damaged wiring or connectors, or a problem with the parking assist control module.

4. How can I troubleshoot the B0957 code on my 2015 GMC Sierra?

Start by inspecting the front right parking assist sensor for any visible damage or obstructions. Check the wiring and connectors for corrosion or disconnections. If these appear normal, testing the sensor and circuit with a multimeter could be necessary.

5. What steps are involved in repairing the B0957 code on a 2015 GMC Sierra?

Repair steps typically involve cleaning or replacing the front right parking assist sensor, repairing or replacing any damaged wiring, and ensuring all connections are secure. A system recalibration might be required after repairs.

6. Is it safe to drive my 2015 GMC Sierra with the B0957 code active?

While it's generally safe to drive, the functionality of the parking assist system will be compromised, which could increase the risk of collisions during parking maneuvers.

7. Can I fix the B0957 code on my 2015 GMC Sierra myself?

If you have experience with automotive diagnostics and repairs, you might be able to address simple issues like cleaning or replacing the sensor. However, electrical issues or module problems should be handled by a professional.

8. How urgent is it to address the B0957 code on a 2015 GMC Sierra?

It’s not critical for general driving, but should be addressed soon to ensure the parking assist system functions correctly, helping to avoid potential parking accidents.

9. What tools are needed to diagnose the B0957 code on a 2015 GMC Sierra?

Diagnostic tools required include an OBD-II scanner, a digital multimeter, and possibly a service manual for the vehicle to help with locating components and specifications.

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