AutoCodes – Chevrolet – B191A 2017 Chevrolet Silverado

B191A 2017 Chevrolet Silverado 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 Chevrolet Silverado 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.

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Code Popularity 171

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 24, 2023

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B191A 2017 Chevrolet Silverado Description

The Diagnostic Trouble Code (DTC) will be set when an internal fault is detected inside the Front Heated Seat Module. No external circuits are involved

OBDII Code B191A 2017 Chevrolet Silverado - Front Heated Seat Module - AutoCodes.com — B191A 2017 Chevrolet Silverado Code - Front Heated Seat Module

What does this mean?

What are the Possible Causes of the DTC B191A 2017 Chevrolet Silverado?

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 Chevrolet Silverado?

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 Chevrolet Silverado 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 Chevrolet Silverado code?

Need more information on how to fix the B191A 2017 Chevrolet Silverado code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 B191A 2017 Chevrolet Silverado Code

1. What does the OBDII code B191A mean on a 2017 Chevrolet Silverado?

The code B191A indicates a problem with the Front Heated Seat Module, typically related to communication or functionality issues within the heated seat system.

2. What are the common symptoms of code B191A in a 2017 Chevrolet Silverado?

Symptoms include the front heated seats not working, intermittent heating, or the heated seat indicator lights not functioning correctly.

3. What causes the B191A code on a 2017 Chevrolet Silverado?

Common causes include a faulty Front Heated Seat Module, damaged wiring, poor electrical connections, or a blown fuse related to the heated seat circuit.

4. How do I diagnose the B191A code on my Silverado?

Use a scan tool to confirm the code, inspect the wiring and connections to the Front Heated Seat Module, and test the module itself for power and ground signals.

5. Can a blown fuse trigger the B191A code?

Yes, a blown fuse in the heated seat circuit can cause the module to lose power, leading to the B191A code.

6. How do you fix the B191A code on a 2017 Chevrolet Silverado?

Repairs may include replacing the Front Heated Seat Module, repairing damaged wiring, reconnecting loose connectors, or replacing a blown fuse.

7. Is it safe to drive with the B191A code active?

Yes, it is safe to drive, but the heated seat functionality may not work until the issue is resolved.

8. How much does it cost to repair the B191A code on a Silverado?

Costs can vary but typically range from $150 to $500, depending on whether the module needs replacing or if wiring repairs are required.

9. Can I reset the B191A code without fixing the issue?

You can clear the code with a scan tool, but it will likely return unless the underlying problem is resolved.

10. Does the B191A code always mean the Front Heated Seat Module is bad?

No, the code can also be caused by wiring issues, poor connections, or power supply problems, so thorough diagnostics are important before replacing the module.