Engine-CodesGMC – B172F 2017 GMC Sierra

B172F 2017 GMC Sierra Code - Driver Seat Cushion Right Rear Haptic Movement

Quick Answer

The B172F diagnostic trouble code for a 2017 GMC Sierra specifically pertains to an issue with the driver seat cushion right rear haptic movement. Common causes include Faulty sensors or actuators within the seat cushion, Electrical wiring issues or loose connections, Software glitches or malfunctions in the haptic feedback system. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
B172F 2017 GMC Sierra indicates Driver Seat Cushion Right Rear Haptic Movement.
Common causes
Common causes include Faulty sensors or actuators within the seat cushion, Electrical wiring issues or loose connections, Software glitches or malfunctions in the haptic feedback system.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Table of contents Created and updated by William Orellana on Sep 12, 2024
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Code B172F 2017 GMC Sierra Description

The B172F diagnostic trouble code for a 2017 GMC Sierra specifically pertains to an issue with the driver seat cushion right rear haptic movement. In simpler terms, this code indicates a problem with the seat cushion's ability to provide haptic feedback on the right rear side of the driver's seat. Haptic feedback refers to the tactile sensation or vibrations that a seat may provide to alert the driver of certain conditions, such as lane departure warnings or collision alerts.

OBDII Code B172F 2017 GMC Sierra - Driver Seat Cushion Right Rear Haptic Movement
B172F 2017 GMC Sierra Code - Driver Seat Cushion Right Rear Haptic Movement

Common Causes of B172F 2017 GMC Sierra

  1. Faulty sensors or actuators within the seat cushion.
  2. Electrical wiring issues or loose connections.
  3. Software glitches or malfunctions in the haptic feedback system.
  4. Physical damage to the seat cushion or its components.
  5. Environmental factors such as moisture or debris affecting the sensors.

Symptoms of B172F 2017 GMC Sierra

  1. Loss of haptic feedback on the right rear side of the driver's seat cushion.
  2. Inconsistent or erratic vibrations or movements from the seat.
  3. Warning lights related to the haptic system appearing on the dashboard.
  4. Unusual noises or sensations coming from the seat cushion.

How to Fix B172F 2017 GMC Sierra

  1. Begin by conducting a thorough inspection of the seat cushion and its components to identify the specific cause of the issue.
  2. Test the sensors and actuators using diagnostic tools to pinpoint any faulty components.
  3. Repair or replace any damaged sensors, actuators, or wiring as needed.
  4. Reset or reprogram the haptic feedback system to ensure proper functionality.
  5. Conduct a final test to confirm that the haptic feedback on the right rear side of the seat cushion is functioning correctly.

Cost to Fix B172F 2017 GMC Sierra

The typical repair costs for addressing a B172F code on a 2017 GMC Sierra can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts and labor for this repair could range from $200 to $500. It's important to note that diagnostic time and labor rates at auto repair shops can vary significantly, so it's advisable to check with local shops for a more accurate estimate. Additionally, factors such as the vehicle's make and model, location, and the technician's expertise can influence the final repair costs.

Tech Notes for B172F 2017 GMC Sierra

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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 B172F 2017 GMC Sierra Code

1. What does the OBDII code B172F mean on a 2017 GMC Sierra?

The code B172F indicates an issue with the right rear haptic movement of the driver seat cushion, which is part of the seat's vibration alert system.

2. What are the symptoms of the B172F code in a 2017 GMC Sierra?

Common symptoms include the driver seat failing to provide vibration alerts for lane departure, parking assist, or collision warnings.

3. What causes the OBDII code B172F to appear?

This code can be triggered by a faulty haptic motor, damaged wiring or connectors, or a malfunction in the seat control module.

4. Can the B172F code affect other vehicle systems?

No, the B172F code typically only affects the vibration alert functionality in the driver seat and does not impact other vehicle systems.

5. How can I diagnose the B172F code in my 2017 GMC Sierra?

Diagnosis involves inspecting the wiring and connectors for the haptic motor, testing the motor itself, and verifying the seat control module's operation using a diagnostic tool.

6. Is it safe to drive with the B172F code active?

Yes, it is safe to drive, but you may lose the seat's vibration alert functionality, which reduces the effectiveness of certain driver assistance features.

7. How do I fix the B172F code on my GMC Sierra?

Repairs may include replacing the haptic motor, repairing damaged wiring, or reprogramming or replacing the seat control module.

8. Can a software update fix the B172F code?

In some cases, a software update for the seat control module may address the issue, but this should be confirmed with a diagnostic scan.

9. How much does it cost to repair the B172F code issue?

Repair costs vary, but replacing a haptic motor can cost between $100 and $300, plus labor, depending on the dealership or repair shop.

10. Can I reset the B172F code without repairs?

Clearing the code without fixing the underlying issue will likely result in the code returning, as the problem persists.

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