AutoCodes – GMC – B0956 2017 GMC Sierra

B0956 2017 GMC Sierra Code - Parking Assist Front Sensor Right Middle 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 Middle, Parking Assist Front Sensor Right Middle harness is open or shorted, Parking Assist Front Sensor Right Middle 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
B0956 2017 GMC Sierra indicates Parking Assist Front Sensor Right Middle Circuit.
Common causes
Common causes include Faulty Parking Assist Front Sensor Right Middle, Parking Assist Front Sensor Right Middle harness is open or shorted, Parking Assist Front Sensor Right Middle 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 205
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 B0956 2017 GMC Sierra 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 B0956 2017 GMC Sierra - Parking Assist Front Sensor Right Middle Circuit - AutoCodes.com
B0956 2017 GMC Sierra Code - Parking Assist Front Sensor Right Middle Circuit

What are the Possible Causes of the DTC B0956 2017 GMC Sierra?

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

How to Fix the DTC B0956 2017 GMC Sierra?

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 B0956 2017 GMC Sierra 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.

Need more information about the B0956 2017 GMC Sierra code?

Need more information on how to fix the B0956 2017 GMC Sierra code? Get Access to Factory Service Manuals

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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 B0956 2017 GMC Sierra Code

1. What are the common symptoms of OBDII code B0956 in a 2017 GMC Sierra related to the Parking Assist Front Sensor Right Middle Circuit?

The common symptoms include malfunction or complete failure of the front parking assist system on the right middle side of the vehicle.

2. What are the possible causes of OBDII code B0956 in a 2017 GMC Sierra?

Potential causes of this code may include damaged wiring or connectors, a faulty front sensor, or issues with the parking assist control module.

3. How can I diagnose the Parking Assist Front Sensor Right Middle Circuit issue in my 2017 GMC Sierra?

To diagnose the problem, you can use an OBDII scanner to retrieve the specific fault code B0956 and then visually inspect the wiring and sensor connections for any damage or corrosion.

4. Can I still drive my 2017 GMC Sierra with the Parking Assist Front Sensor Right Middle Circuit issue?

While your vehicle may still be drivable with this issue, it is recommended to address the problem promptly to ensure the proper functioning of the parking assist system.

5. How can I repair OBDII code B0956 in my 2017 GMC Sierra related to the Parking Assist Front Sensor Right Middle Circuit?

Repair options may include repairing or replacing damaged wiring, connectors, or the front sensor itself. In some cases, reprogramming the parking assist control module may also be necessary.

6. Is it possible to reset the OBDII code B0956 in a 2017 GMC Sierra without fixing the underlying issue?

While you can clear the fault code with an OBDII scanner, it is important to address the root cause of the problem to prevent the code from reappearing.

7. Are there any DIY tips for troubleshooting OBDII code B0956 in a 2017 GMC Sierra?

DIY tips include checking for loose or damaged connections, ensuring the sensor is clean and undamaged, and following the vehicle's service manual for specific diagnostic procedures.

8. How much does it typically cost to repair OBDII code B0956 in a 2017 GMC Sierra at a dealership or repair shop?

The cost of repair can vary depending on the extent of the issue, but it may involve labor costs for diagnosis, parts replacement, and any necessary reprogramming of the control module.

9. Can extreme weather conditions affect the operation of the Parking Assist Front Sensor Right Middle Circuit in a 2017 GMC Sierra?

Extreme weather conditions such as heavy rain, snow, or extreme temperatures can potentially impact the operation of the parking assist system and trigger fault code B0956.

10. How often should I have the parking assist system in my 2017 GMC Sierra checked to prevent OBDII code B0956 from occurring?

Regular maintenance checks or inspections, especially after any significant impact or damage to the front sensor area, can help prevent issues that may trigger fault code B0956.

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