Engine-CodesGMC – B0957 2018 GMC Sierra

B0957 2018 GMC Sierra Code - Parking Assist Front Sensor Right Corner Circuit

Quick Answer

The B0957 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to a malfunction in the Parking Assist Front Sensor Right Corner Circuit. Common causes include Faulty front right corner sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or moisture in the sensor circuit. 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 2018 GMC Sierra indicates Parking Assist Front Sensor Right Corner Circuit.
Common causes
Common causes include Faulty front right corner sensor, Damaged wiring or connectors in the sensor circuit, Corrosion or moisture in the sensor circuit.
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.
Table of contents Created and updated by William Orellana on Sep 11, 2024
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Code B0957 2018 GMC Sierra Description

The B0957 diagnostic trouble code (DTC) for a 2018 GMC Sierra refers to a malfunction in the Parking Assist Front Sensor Right Corner Circuit. The parking assist system in modern vehicles utilizes sensors located around the vehicle to detect obstacles and provide feedback to the driver to assist with parking maneuvers. In this case, the code specifically indicates an issue with the front right corner sensor circuit.

OBDII Code B0957 2018 GMC Sierra - Parking Assist Front Sensor Right Corner Circuit
B0957 2018 GMC Sierra Code - Parking Assist Front Sensor Right Corner Circuit

Common Causes of B0957 2018 GMC Sierra

  1. Faulty front right corner sensor
  2. Damaged wiring or connectors in the sensor circuit
  3. Corrosion or moisture in the sensor circuit
  4. Electrical issues in the sensor circuit
  5. External factors such as physical damage to the sensor

Symptoms of B0957 2018 GMC Sierra

  1. Parking assist system not functioning properly
  2. Warning lights or messages related to parking assist system on the dashboard
  3. Inaccurate distance measurements while parking
  4. False alarms or erratic behavior from the parking assist system

How to Fix B0957 2018 GMC Sierra

  1. Diagnose the specific cause of the issue using a diagnostic scanner and multimeter
  2. Inspect the front right corner sensor, wiring, and connectors for damage or corrosion
  3. Repair or replace any damaged components in the sensor circuit
  4. Clear the DTC and test the parking assist system to ensure proper functionality
  5. Reset the system and calibrate the sensors as needed

Cost to Fix B0957 2018 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 labor rates in your area. In general, the cost of replacing a faulty sensor or repairing damaged wiring can range from $200 to $500, including parts and labor. However, additional diagnostic time or calibration may increase the overall cost. It's recommended to consult a professional mechanic for a more accurate estimate based on your vehicle's make and model. Keep in mind that labor rates at auto repair shops can vary, so it's advisable to shop around for the best deal.

Tech Notes for B0957 2018 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 2018 GMC Sierra Code

1. What are the common symptoms of OBDII code B0957 in a 2018 GMC Sierra related to the Parking Assist Front Sensor Right Corner Circuit?

The common symptoms include a malfunctioning front sensor on the right corner of the vehicle's parking assist system, leading to inaccurate distance readings or complete failure of the system.

2. What are the possible causes of OBDII code B0957 in a 2018 GMC Sierra?

The code B0957 typically indicates a malfunction in the wiring, connectors, or sensor itself of the front right corner parking assist sensor in the GMC Sierra.

3. How can I diagnose the issue related to OBDII code B0957 in my 2018 GMC Sierra?

To diagnose the problem, you can visually inspect the wiring and connectors of the front right corner parking sensor, check for any physical damage or loose connections, and use an OBDII scanner to read the specific error code.

4. Can I repair the OBDII code B0957 issue in my 2018 GMC Sierra myself?

If you have experience with automotive wiring and sensors, you may be able to repair the issue yourself by fixing any damaged wiring, replacing faulty connectors, or installing a new front right corner parking sensor.

5. Is it safe to continue driving my 2018 GMC Sierra with the OBDII code B0957 related to the Parking Assist Front Sensor Right Corner Circuit?

It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure the proper functioning of the parking assist system and avoid potential accidents or damage.

6. How much does it typically cost to repair OBDII code B0957 in a 2018 GMC Sierra at a dealership or repair shop?

The cost of repairing OBDII code B0957 can vary depending on the extent of the damage and the labor rates of the dealership or repair shop. It is advisable to get a diagnostic and repair estimate before proceeding with the repairs.

7. Will resetting the OBDII code B0957 in my 2018 GMC Sierra make the issue go away?

Resetting the code may temporarily clear the error message, but if the underlying issue with the Parking Assist Front Sensor Right Corner Circuit is not addressed, the code is likely to reappear.

8. Are there any preventive measures I can take to avoid encountering OBDII code B0957 in my 2018 GMC Sierra in the future?

Regularly inspecting the parking assist sensors, wiring, and connectors for damage, and addressing any issues promptly can help prevent the recurrence of OBDII code B0957 in your GMC Sierra.

9. Can extreme weather conditions affect the performance of the front right corner parking sensor in a 2018 GMC Sierra, leading to OBDII code B0957?

Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially damage the wiring or sensor of the front right corner parking assist sensor, triggering OBDII code B0957.

10. How long does it typically take to repair OBDII code B0957 in a 2018 GMC Sierra?

The repair time for OBDII code B0957 can vary depending on the extent of the damage and the availability of replacement parts. In some cases, it can be resolved within a few hours, while more complex issues may take longer to fix.

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