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Engine-Codes – GMC – B0954 GMC

B0954 GMC Code - Parking Assist Front Sensor Left Corner Circuit

Quick Answer

The B0954 GMC code indicates a problem with the Parking Assist Front Sensor Left Corner Circuit. Common causes include Faulty parking sensor in the left front corner of the vehicle, Damaged wiring or connectors leading to the sensor, Issues with the control module responsible for managing 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 GMC indicates Parking Assist Front Sensor Left Corner Circuit.
Common causes
Common causes include Faulty parking sensor in the left front corner of the vehicle, Damaged wiring or connectors leading to the sensor, Issues with the control module responsible for managing 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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B0954 GMC Description

The B0954 GMC code indicates a problem with the Parking Assist Front Sensor Left Corner Circuit. This system is designed to help the driver park the vehicle by alerting them to obstacles in the front corners of the vehicle. The sensor located on the left front corner of the vehicle is not functioning properly, which can lead to inaccurate or no alerts when parking.

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

Common Causes of B0954 GMC

  1. Faulty parking sensor in the left front corner of the vehicle.
  2. Damaged wiring or connectors leading to the sensor.
  3. Issues with the control module responsible for managing the parking assist system.
  4. Water damage or corrosion affecting the sensor or related components.
  5. Electrical system issues causing a disruption in the sensor's function.

Symptoms of B0954 GMC

  1. Parking assist system not providing alerts when approaching obstacles.
  2. Inaccurate or inconsistent alerts from the parking assist system.
  3. Warning light illuminated on the dashboard indicating a parking assist system fault.
  4. Difficulty parking in tight spaces due to lack of assistance from the parking assist system.

How to Fix B0954 GMC

  1. Begin by visually inspecting the parking sensor in the left front corner of the vehicle for any physical damage or signs of corrosion.
  2. Check the wiring and connectors leading to the sensor to ensure they are intact and properly connected.
  3. Use a diagnostic scanner to reset the code and test the parking assist system to see if the issue persists.
  4. If the problem continues, consider replacing the parking sensor itself or the control module, depending on the specific diagnosis.
  5. After completing the repair, test the parking assist system again to ensure it is functioning properly before returning the vehicle to service.

Cost to Fix B0954 GMC

The cost of repairing a Parking Assist Front Sensor Left Corner Circuit issue can vary depending on the specific cause of the problem and the extent of the repairs needed. On average, the cost of replacing a parking sensor can range from $200 to $600, including parts and labor. If the control module needs to be replaced, the cost can increase to $500 to $1000 or more. Additional costs may apply if there are other components that require attention in the parking assist system.

What does this mean?

Tech Notes for B0954 GMC

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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Information for Specific GMC Models

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 GMC Code

1. What does OBDII code B0954 for a GMC indicate?

- OBDII code B0954 for a GMC relates to an issue with the Parking Assist Front Sensor Left Corner Circuit.

2. What are the common symptoms of a B0954 GMC code?

- Common symptoms of a B0954 GMC code may include a malfunctioning or disabled front parking assist system, as well as a warning light on the dashboard.

3. What are the potential causes of a B0954 GMC code?

- The B0954 GMC code can be triggered by issues such as a faulty front left corner parking sensor, damaged wiring or connectors, or a problem with the sensor circuit.

4. How can I diagnose a B0954 GMC code?

- Diagnosing a B0954 GMC code involves using an OBDII scanner to read the code, inspecting the front left corner parking sensor and its connections, and testing the sensor circuit for continuity.

5. How can I repair a B0954 GMC code?

- To repair a B0954 GMC code, you may need to replace the front left corner parking sensor if it is faulty, repair any damaged wiring or connectors, and clear the code with an OBDII scanner.

6. Can I drive my vehicle with a B0954 GMC code?

- It is generally safe to drive your vehicle with a B0954 GMC code, but keep in mind that the parking assist system may not function properly, so extra caution should be taken when parking.

7. Will a B0954 GMC code cause my vehicle to fail an emissions test?

- A B0954 GMC code is not directly related to emissions, so it should not cause your vehicle to fail an emissions test.

8. How much does it typically cost to repair a B0954 GMC code?

- The cost to repair a B0954 GMC code can vary depending on the cause of the issue, but it may range from $100 to $300 for parts and labor.

9. Can a DIY enthusiast fix a B0954 GMC code at home?

- With the right tools and knowledge, a DIY enthusiast may be able to diagnose and repair a B0954 GMC code at home, especially if it involves simple tasks like replacing a sensor or fixing wiring.

10. How long does it take to repair a B0954 GMC code?

- The time to repair a B0954 GMC code can vary based on the exact cause of the issue and the complexity of the repair, but it typically takes around 1-2 hours for a professional technician to complete the job.

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