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B19A6 Lincoln Code - Passenger Seat Back Blower Speed Short To Ground

Quick Answer

The B19A6 diagnostic trouble code for Lincoln vehicles indicates a problem with the passenger seat back blower speed short to ground. Common causes include Wiring issues, such as damaged or corroded wires in the blower motor speed control circuit, Faulty blower motor speed control module, Short circuit in the blower motor speed control circuit. 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
B19A6 Lincoln indicates Passenger Seat Back Blower Speed Short To Ground.
Common causes
Common causes include Wiring issues, such as damaged or corroded wires in the blower motor speed control circuit, Faulty blower motor speed control module, Short circuit in the blower motor speed control circuit.
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 13, 2024
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Code B19A6 Lincoln Description

The B19A6 diagnostic trouble code for Lincoln vehicles indicates a problem with the passenger seat back blower speed short to ground. This code specifically points to an issue with the blower motor speed control circuit for the passenger seat back in the vehicle's climate control system. The blower motor is responsible for circulating air through the seat back to provide heating or cooling to the passenger seated in that position.

OBDII Code B19A6 Lincoln - Passenger Seat Back Blower Speed Short To Ground
B19A6 Lincoln Code - Passenger Seat Back Blower Speed Short To Ground

Common Causes of B19A6 Lincoln

  1. Wiring issues, such as damaged or corroded wires in the blower motor speed control circuit.
  2. Faulty blower motor speed control module.
  3. Short circuit in the blower motor speed control circuit.
  4. Issues with the climate control module or related components.
  5. Electrical problems, such as a blown fuse or relay in the circuit.

Symptoms of B19A6 Lincoln

  1. Lack of heating or cooling in the passenger seat back.
  2. Inconsistent or reduced airflow from the blower in the affected seat.
  3. Unusual noises coming from the blower motor.
  4. Climate control system not responding to adjustments for the passenger seat back.

How to Fix B19A6 Lincoln

  1. Begin by conducting a thorough inspection of the wiring in the blower motor speed control circuit to identify any damaged or corroded wires. Repair or replace any faulty wiring as needed.
  2. Test the blower motor speed control module to determine if it is functioning correctly. Replace the module if it is found to be faulty.
  3. Check for any short circuits in the blower motor speed control circuit and address them accordingly.
  4. Inspect the climate control module and related components for any issues that may be contributing to the problem. Repair or replace any faulty components.
  5. Test the system after completing the repairs to ensure that the issue has been resolved and that the blower motor is functioning properly.

Cost to Fix B19A6 Lincoln

The typical repair costs for resolving a B19A6 diagnostic trouble code in a Lincoln vehicle can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of parts for this repair can range from $100 to $300, while labor costs can range from $150 to $400. Overall, the total repair cost for addressing this code may fall between $250 and $700. It's important to note that these are rough estimates, and actual costs can vary based on factors such as the location of the repair shop, the make and model of the vehicle, and the type of engine. Additionally, diagnostic time and labor rates can vary between different auto repair shops, so it's advisable to obtain quotes from multiple sources to get a more accurate estimate.

Need more information about the B19A6 Lincoln code?

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Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” Service

  • Never probe the electrical connectors on air bag, side air curtain modules or seat belts.
  • Never disassemble or tamper with safety belt buckle/retractor pretensioners, adaptive load limiting retractors, safety belt inflators, or probe the electrical connectors.
  • Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
  • Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes. For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes have passed.

Failure to follow this instruction may result in the accidental deployment of these modules, which increases the risk of serious personal injury or death.

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 B19A6 Lincoln Code

1. What are the common symptoms of OBDII code B19A6 in a Lincoln related to the passenger seat back blower speed short to ground?

The common symptoms include the passenger seat back blower not functioning properly, inconsistent blower speed, or complete failure of the blower.

2. What are some possible causes of OBDII code B19A6 in a Lincoln indicating a passenger seat back blower speed short to ground?

The code may indicate issues such as a short circuit in the wiring, a faulty blower motor, a damaged blower motor resistor, or a malfunctioning control module.

3. How can I diagnose the source of OBDII code B19A6 on my Lincoln for the passenger seat back blower speed short to ground issue?

To diagnose the problem, you can use a multimeter to check for continuity in the wiring, inspect the blower motor and resistor for any visible damage, and scan the vehicle for any other related trouble codes.

4. Is it safe to continue driving my Lincoln with OBDII code B19A6 related to a passenger seat back blower speed short to ground?

It is not recommended to drive the vehicle with this code present, as it can lead to further electrical issues and potential safety hazards. It is best to address the problem promptly.

5. What are some repair tips for resolving OBDII code B19A6 in a Lincoln due to a passenger seat back blower speed short to ground?

Repair tips may include checking and repairing any damaged wiring, replacing the blower motor or resistor if faulty, and resetting the control module after making the necessary repairs.

6. Can I fix OBDII code B19A6 in my Lincoln related to the passenger seat back blower speed short to ground myself, or do I need a professional mechanic?

Depending on your experience and comfort level with automotive repairs, you may be able to address the issue yourself by following diagnostic procedures and repair guides. However, if in doubt, it is advisable to seek help from a professional mechanic.

7. Will resetting the OBDII code B19A6 in my Lincoln resolve the passenger seat back blower speed short to ground issue?

Simply resetting the code may temporarily clear the warning light, but it will not fix the underlying problem causing the code. It is crucial to diagnose and repair the issue to prevent it from recurring.

8. Are there any preventive measures to avoid encountering OBDII code B19A6 in a Lincoln related to the passenger seat back blower speed short to ground in the future?

Regular maintenance checks, prompt repair of any electrical issues, and avoiding overloading the blower system can help prevent the occurrence of this trouble code.

9. How long does it typically take to repair OBDII code B19A6 in a Lincoln caused by a passenger seat back blower speed short to ground?

The repair time can vary depending on the exact cause of the issue, the availability of replacement parts, and your experience level. It is recommended to set aside a few hours for diagnosis and repair.

10. Can OBDII code B19A6 in a Lincoln related to the passenger seat back blower speed short to ground impact the overall performance of the vehicle?

While this specific code is more related to the comfort and convenience features of the vehicle, unresolved electrical issues can potentially affect other systems over time. It is best to address the problem promptly to avoid any further complications.

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