Engine-CodesGMC – B0954 2015 GMC Sierra

B0954 2015 GMC Sierra Code - Parking Assist Front Sensor Left Corner Circuit

Quick Answer

The B0954 diagnostic trouble code for a 2015 GMC Sierra relates to the Parking Assist Front Sensor Left Corner Circuit. Common causes include Damaged wiring or connectors in the front left corner sensor circuit, Faulty front left corner parking sensor, Malfunctioning control module for the parking assist system. 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
B0954 2015 GMC Sierra indicates Parking Assist Front Sensor Left Corner Circuit.
Common causes
Common causes include Damaged wiring or connectors in the front left corner sensor circuit, Faulty front left corner parking sensor, Malfunctioning control module for the parking assist system.
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 16, 2024
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Code B0954 2015 GMC Sierra Description

The B0954 diagnostic trouble code for a 2015 GMC Sierra relates to the Parking Assist Front Sensor Left Corner Circuit. This code indicates that there is a malfunction in the circuit connected to the front left corner parking sensor. The parking assist system in modern vehicles uses sensors to detect objects around the vehicle and alert the driver to potential obstacles. When the front left corner sensor circuit is compromised, it can lead to inaccurate or non-functional readings, affecting the vehicle's ability to assist the driver in parking and maneuvering in tight spaces.

OBDII Code B0954 2015 GMC Sierra - Parking Assist Front Sensor Left Corner Circuit
B0954 2015 GMC Sierra Code - Parking Assist Front Sensor Left Corner Circuit

Common Causes of B0954 2015 GMC Sierra

  1. Damaged wiring or connectors in the front left corner sensor circuit
  2. Faulty front left corner parking sensor
  3. Malfunctioning control module for the parking assist system
  4. Corrosion or debris affecting sensor performance
  5. Electrical issues such as a blown fuse or relay related to the circuit

Symptoms of B0954 2015 GMC Sierra

  1. Parking assist system not functioning properly
  2. Warning lights or messages related to parking sensors on the dashboard
  3. Difficulty detecting objects in front left corner of the vehicle
  4. False alarms or erratic behavior from the parking assist system

How to Fix B0954 2015 GMC Sierra

  1. Begin by conducting a visual inspection of the front left corner sensor and its wiring to check for any visible damage or corrosion.
  2. Use a multimeter to test the continuity of the wiring and connectors in the circuit to identify any breaks or shorts.
  3. Test the front left corner sensor itself to determine if it is functioning correctly or needs replacement.
  4. Check the control module for the parking assist system to ensure it is sending and receiving signals properly.
  5. Replace any damaged wiring, connectors, sensors, or control modules as needed, and clear the diagnostic trouble code from the vehicle's system.

Cost to Fix B0954 2015 GMC Sierra

The typical repair costs for addressing the B0954 code on a 2015 GMC Sierra can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, the cost for parts such as a new sensor or control module can range from $100 to $300, while labor costs at an auto repair shop may be around $100 to $200 per hour. Overall, the total repair cost for this issue could range from $200 to $800 or more, depending on the extent of the damage and the specific components that need replacement. It is advisable to consult with a qualified mechanic or dealership to get an accurate estimate based on the individual circumstances of the vehicle.

Tech Notes for B0954 2015 GMC Sierra

B0954:01 Parking Assist Front Sensor Left Corner Circuit Short to Battery

B0954:02 Parking Assist Front Sensor Left Corner Circuit Short to Ground

B0954:04 Parking Assist Front Sensor Left Corner Circuit Open

B0954:06 Parking Assist Front Sensor Left Corner Circuit Low Voltage/Open

B0954:08 Parking Assist Front Sensor Left Corner Circuit Performance - Signal Invalid

B0954:18 Parking Assist Front Sensor Left Corner Circuit Low Signal Amplitude

B0954:21 Parking Assist Front Sensor Left Corner Circuit Incorrect Period

B0954:22 Parking Assist Front Sensor Left Corner Circuit Too Short Low-Time

B0954:3A Parking Assist Front Sensor Left Corner Circuit Incorrect Component Installed

B0954:3B Parking Assist Front Sensor Left 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 B0954 2015 GMC Sierra Code

1. What are the common symptoms of OBDII code B0954 in a 2015 GMC Sierra related to the Parking Assist Front Sensor Left Corner Circuit?

- Common symptoms include the parking assist system malfunctioning, warning lights on the dashboard, and issues with the front left corner sensor.

2. What are the possible causes of OBDII code B0954 in a 2015 GMC Sierra?

- Possible causes include a faulty front left corner sensor, damaged wiring or connectors, water intrusion, or a malfunction in the parking assist control module.

3. How can I diagnose the issue related to code B0954 in my 2015 GMC Sierra?

- To diagnose the problem, you can use an OBDII scanner to read the fault codes, visually inspect the front left corner sensor and its connections, and perform a circuit test to check for continuity.

4. Can I still drive my 2015 GMC Sierra with OBDII code B0954 present?

- While it may be possible to drive the vehicle, it is recommended to address the issue promptly to ensure the proper functioning of the parking assist system.

5. How can I repair OBDII code B0954 in my 2015 GMC Sierra?

- Repair options include replacing the front left corner sensor, repairing or replacing damaged wiring or connectors, addressing any water intrusion issues, or reprogramming the parking assist control module.

6. Is it possible to reset the OBDII code B0954 in a 2015 GMC Sierra without fixing the underlying issue?

- Resetting the code without addressing the root cause is not recommended, as the issue will likely persist and the warning lights may reappear.

7. Are there any DIY tips for troubleshooting OBDII code B0954 in a 2015 GMC Sierra?

- DIY tips include checking the sensor connections for corrosion, ensuring the sensor is clean and unobstructed, and inspecting the wiring for any visible damage.

8. How much does it typically cost to repair OBDII code B0954 in a 2015 GMC Sierra at a dealership or repair shop?

- The cost of repair can vary depending on the specific issue, but it may involve parts and labor costs for sensor replacement, wiring repairs, or control module reprogramming.

9. Will fixing OBDII code B0954 in my 2015 GMC Sierra require specialized tools or equipment?

- While basic tools like screwdrivers and a multimeter may be sufficient for some diagnostics, specialized tools such as an OBDII scanner or specific sensor testing equipment may be needed for a complete repair.

10. How can I prevent OBDII code B0954 from recurring in my 2015 GMC Sierra after repair?

- To prevent code B0954 from coming back, ensure regular maintenance of the parking assist system, check for water leaks, keep sensors clean, and address any wiring issues promptly.

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