AutoCodes – Buick – B0957 Buick

B0957 Buick Code - Parking Assist Front Sensor Right Corner Circuit

Quick Answer

The object sensors are 3-wire sensors that are used to determine the distance between the vehicle and an object of interest. Common causes include Faulty Parking Assist Front Sensor Right Corner, Parking Assist Front Sensor Right Corner harness is open or shorted, Parking Assist Front Sensor Right Corner circuit poor electrical connection. 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 Buick indicates Parking Assist Front Sensor Right Corner Circuit.
Common causes
Common causes include Faulty Parking Assist Front Sensor Right Corner, Parking Assist Front Sensor Right Corner harness is open or shorted, Parking Assist Front Sensor Right Corner circuit poor electrical connection.
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.
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Code Popularity 1,139
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Apr 01, 2023
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Code B0957 Buick Description

The object sensors are 3-wire sensors that are used to determine the distance between the vehicle and an object of interest. The Parking Assist Control Module supplies 8 V to the object sensors via the 8 V reference circuit and provides ground via the low reference circuit. The Parking Assist Control Module triggers the sensors in a sequential loop. After each sensor transmits, the Parking Assist Control Module uses the sensor echo received through the signal circuit to calculate the distance and position of an object. The Diagnostic Trouble Code (DTC) will be set when the Parking Aid Front Sensor signal to the Parking Assist Control Module is out of specification.
OBDII Code B0957 Buick - Parking Assist Front Sensor Right Corner Circuit - AutoCodes.com
B0957 Buick Code - Parking Assist Front Sensor Right Corner Circuit

What are the Possible Causes of the DTC B0957 Buick?

  • Faulty Parking Assist Front Sensor Right Corner
  • Parking Assist Front Sensor Right Corner harness is open or shorted
  • Parking Assist Front Sensor Right Corner circuit poor electrical connection
  • Faulty Parking Assist Control Module

How to Fix the DTC B0957 Buick?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the B0957 Buick code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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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 Buick Code

1. What does the OBDII code B0957 mean on a Buick?

The B0957 code indicates a problem with the Parking Assist Front Sensor Right Corner Circuit, such as a fault in the sensor or its wiring.

2. What are the common symptoms of the B0957 code on a Buick?

Common symptoms include the parking assist system not functioning properly, warning messages or lights on the dashboard, and reduced accuracy of the parking sensors.

3. What causes the B0957 code to appear on a Buick?

The code can be triggered by a faulty front right corner parking sensor, damaged wiring, poor electrical connections, or a malfunction in the control module.

4. How do I diagnose the B0957 code on a Buick?

Diagnosis involves inspecting the front right corner parking sensor, checking the wiring and connectors for damage or corrosion, and using a scan tool to verify sensor readings.

5. Can I drive my Buick with the B0957 code?

Yes, you can drive the vehicle, but the parking assist system may not function correctly, increasing the risk of low-speed collisions.

6. How do I fix the B0957 code on a Buick?

Repairs may include replacing the faulty sensor, repairing damaged wiring or connectors, or reprogramming or replacing the parking assist control module.

7. How much does it cost to repair the B0957 code on a Buick?

Repair costs vary but typically range from $100 to $300, depending on whether the sensor, wiring, or module needs replacement.

8. Can I clear the B0957 code without fixing the issue?

Clearing the code without addressing the root cause will only result in the code returning as the problem persists.

9. How can I prevent the B0957 code from occurring again?

Regularly inspect and clean the parking sensors and ensure that the wiring is free from damage or corrosion to prevent future issues.

10. Is the B0957 code specific to Buick vehicles?

While the code and its description are commonly associated with Buick, it may also appear on other GM vehicles with a similar parking assist system.

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