B191A 2017 GMC Sierra Code - Front Heated Seat Module
Quick Answer
The Diagnostic Trouble Code (DTC) will be set when an internal fault is detected inside the Front Heated Seat Module. Common causes include Faulty Front Heated Seat Module, Front Heated Seat Module harness is open or shorted, Front Heated Seat Module circuit poor electrical connection. 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
- B191A 2017 GMC Sierra indicates Front Heated Seat Module.
- Common causes
- Common causes include Faulty Front Heated Seat Module, Front Heated Seat Module harness is open or shorted, Front Heated Seat Module circuit poor electrical connection.
- 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.
Code B191A 2017 GMC Sierra Description
What are the Possible Causes of the DTC B191A 2017 GMC Sierra?
- Faulty Front Heated Seat Module
- Front Heated Seat Module harness is open or shorted
- Front Heated Seat Module circuit poor electrical connection
How to Fix the DTC B191A 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.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the B191A 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 B191A 2017 GMC Sierra code?
Need more information on how to fix the B191A 2017 GMC Sierra code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the B191A 2017 GMC Sierra code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about B191A 2017 GMC Sierra Code
1. What does the OBDII code B191A mean on a 2017 GMC Sierra?
The B191A code indicates a fault in the Front Heated Seat Module, specifically related to its operation or communication with other systems.
2. What are the common symptoms of the B191A code?
Symptoms may include heated seats not functioning, intermittent heating, or no response when the seat heater is activated.
3. What causes the B191A code to be triggered?
Potential causes include a faulty front heated seat module, damaged wiring or connectors, a blown fuse, or communication issues within the vehicle's control modules.
4. How can I diagnose the B191A code?
Diagnose the issue by scanning for codes using an OBDII scanner, inspecting the heated seat module wiring and connectors, and checking for related fuse issues.
5. Can I still drive my 2017 GMC Sierra with the B191A code active?
Yes, the vehicle is safe to drive, but the heated seat functionality may not work until the issue is resolved.
6. How do I fix the B191A code on my heated seats?
Possible fixes include replacing the front heated seat module, repairing damaged wiring, reconnecting loose connectors, or replacing a blown fuse.
7. Is the B191A code related to both front seats or just one?
The B191A code typically refers to the driver or passenger front heated seat module, depending on the specific issue.
8. Can a software update fix the B191A code?
In some cases, a software update to the vehicle's control modules might resolve communication issues causing the code. Consult your dealership for details.
9. How much does it cost to fix the B191A code?
Repair costs vary depending on the issue, but replacing the heated seat module can cost between $200 and $500, excluding labor.
10. Can I clear the B191A code without repairing it?
You can clear the code temporarily using an OBDII scanner, but it will likely return if the underlying issue isn’t resolved.
Discuss the causes and fixes for B191A 2017 GMC Sierra OBDII Code
Code B191A 2017 GMC Sierra comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
