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Engine-Codes – Generic – B191A

B191A Code - Front Heated Seat Module

Quick Answer

The B191A code specifically refers to a fault in the front heated seat module in the vehicle. Common causes include Faulty front heated seat module, Damaged wiring or connectors leading to the module, Blown fuse related to the front heated seats. 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 indicates Front Heated Seat Module.
Common causes
Common causes include Faulty front heated seat module, Damaged wiring or connectors leading to the module, Blown fuse related to the front heated seats.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B191A Description

The B191A code specifically refers to a fault in the front heated seat module in the vehicle. This module is responsible for controlling the heating function of the front seats, ensuring that they reach and maintain the desired temperature for comfort. When this code is triggered, it indicates that there is a malfunction or issue within the module that needs to be addressed.

OBDII Code B191A - Front Heated Seat Module
B191A Code - Front Heated Seat Module

Common Causes of B191A

  1. Faulty front heated seat module.
  2. Damaged wiring or connectors leading to the module.
  3. Blown fuse related to the front heated seats.
  4. Malfunctioning temperature sensor in the front seats.
  5. Issues with the vehicle's electrical system affecting the front heated seats.

Symptoms of B191A

  1. Front seats do not heat up when the feature is activated.
  2. Uneven heating in the front seats.
  3. Inconsistent heating levels in the front seats.
  4. Front seat heating function turns off unexpectedly.
  5. Error message or indicator light on the dashboard related to the front heated seats.

How to Fix B191A

  1. Begin by diagnosing the specific cause of the B191A code using a diagnostic scanner to pinpoint the issue.
  2. Inspect the front heated seat module for any visible damage or signs of malfunction.
  3. Check the wiring and connectors connected to the module for any breaks, corrosion, or loose connections.
  4. Test the fuses related to the front heated seats to ensure they are functioning correctly.
  5. If necessary, replace the front heated seat module, repair any damaged wiring or connectors, and reset the system to clear the code.

Cost to Fix B191A

The cost of repairing the front heated seat module can vary depending on the specific cause of the issue and the extent of the repair needed. On average, the cost of parts for a new front heated seat module can range from $200 to $500. Labor costs can add an additional $100 to $200, bringing the total repair cost to approximately $300 to $700. However, it's important to keep in mind that prices may vary based on factors such as location, vehicle make and model, and the shop's labor rates. It's recommended to get a detailed estimate from a trusted auto repair shop for a more accurate cost assessment.

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Code B191A Information for Specific Makes

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 Code

1. What does OBDII code B191A mean?

Code B191A indicates an issue with the Front Heated Seat Module, which is responsible for controlling the heated seat function.

2. What are common symptoms of the B191A code?

Symptoms include the heated seat not functioning, inconsistent heating, or the heated seat indicator light not working.

3. What causes the B191A code to appear?

Common causes include a faulty Front Heated Seat Module, wiring issues, a blown fuse, or a malfunctioning seat heater element.

4. Can I still use my heated seat with a B191A code?

In most cases, the heated seat will not work if this code is active, as it signals a malfunction in the control system.

5. How do I diagnose the B191A code?

Diagnosis typically involves checking the Front Heated Seat Module, inspecting wiring and connectors for damage, and testing the seat heater element for continuity.

6. Is the B191A code a serious issue?

While it doesn’t affect vehicle safety or drivability, it can be inconvenient, especially in cold climates where heated seats are needed.

7. How can I fix the B191A code?

Repairs may include replacing the Front Heated Seat Module, repairing damaged wiring, or replacing the seat heater element.

8. Can a blown fuse trigger the B191A code?

Yes, a blown fuse in the heated seat circuit can cause this code to appear.

9. How much does it cost to repair a B191A code?

Repair costs can vary widely, ranging from $100 to $500 or more, depending on whether the module, wiring, or seat heater element needs replacement.

10. Do I need a professional mechanic to fix the B191A code?

While some issues like replacing a fuse or checking connectors can be done by DIYers, diagnosing and repairing module or wiring problems may require professional expertise.

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