AutoCodes – Ford – B19A4 Ford

B19A4 Ford Code - Driver Seat Back Blower Speed Short to Battery

Quick Answer

The Front Seat Climate Control Module (SCME) supplies voltage and ground to the driver seat backrest blower motor. Common causes include Faulty Backrest Blower Motor, Backrest Blower Motor harness is open or shorted, Backrest Blower Motor 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: B19A4 Ford indicates Driver Seat Back Blower Speed Short to Battery.
Common causes: Common causes include Faulty Backrest Blower Motor, Backrest Blower Motor harness is open or shorted, Backrest Blower Motor 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 802

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 Aug 02, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B19A4 Ford Description

The Front Seat Climate Control Module (SCME) supplies voltage and ground to the driver seat backrest blower motor. The Front Seat Climate Control Module (SCME) also sends a speed control voltage signal to the blower motor to control blower speed. If the driver seat backrest blower speed circuit is shorted to voltage, the Front Seat Climate Control Module (SCME) shuts down the driver seat system and sets this Diagnostic Trouble Code (DTC).

OBDII Code B19A4 Ford - Driver Seat Back Blower Speed Short to Battery - AutoCodes.com — B19A4 Ford Code - Driver Seat Back Blower Speed Short to Battery

What does this mean?

What are the Possible Causes of the DTC B19A4 Ford?

Faulty Backrest Blower Motor
Backrest Blower Motor harness is open or shorted
Backrest Blower Motor circuit poor electrical connection
Faulty Front Seat Climate Control Module (SCME)

How to Fix the DTC B19A4 Ford?

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 B19A4 Ford 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 B19A4 Ford code?

Need more information on how to fix the B19A4 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B19A4 Ford code diagnosed by a professional: Find a repair shop in your area

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 B19A4 Ford Code

1. What are common symptoms of OBDII code B19A4 in a Ford related to the Driver Seat Back Blower Speed Short to Battery issue?

The common symptoms include a malfunctioning driver seat back blower, erratic blower speed, and possible issues with the seat climate control system.

2. What are the possible causes of OBDII code B19A4 Ford error indicating a Driver Seat Back Blower Speed Short to Battery problem?

The error code may be triggered by a short to battery in the wiring or connectors related to the driver seat back blower, a faulty blower speed control module, or a damaged blower motor.

3. How can I diagnose the OBDII code B19A4 in a Ford if I suspect a Driver Seat Back Blower Speed Short to Battery issue?

You can start by inspecting the wiring harness and connectors for any visible damage, testing the blower speed control module for functionality, and checking the blower motor for proper operation.

4. What are some repair tips for resolving the OBDII code B19A4 Ford error linked to the Driver Seat Back Blower Speed Short to Battery issue?

Repair tips include repairing or replacing any damaged wiring or connectors, replacing the faulty blower speed control module if necessary, and testing the blower motor for proper function.

5. Can I continue driving my Ford with the OBDII code B19A4 related to the Driver Seat Back Blower Speed Short to Battery problem?

It is not recommended to continue driving the vehicle with this issue unresolved, as it may lead to further damage to the seat climate control system and affect the comfort of the driver.

6. How much does it typically cost to repair the OBDII code B19A4 Ford error associated with the Driver Seat Back Blower Speed Short to Battery issue?

The repair costs can vary depending on the exact cause of the problem, but they may range from a few hundred to over a thousand dollars, including parts and labor.

7. Is it possible to reset the OBDII code B19A4 in a Ford after addressing the Driver Seat Back Blower Speed Short to Battery problem?

Once the underlying issue causing the error code is resolved, you can reset the code using an OBDII scanner or by disconnecting the vehicle's battery for a few minutes.

8. How urgent is it to address the OBDII code B19A4 Ford error related to the Driver Seat Back Blower Speed Short to Battery issue?

While the issue may not cause immediate danger, it is recommended to address it in a timely manner to prevent further damage and ensure the proper functioning of the seat climate control system.

9. Are there any preventive measures to avoid encountering the OBDII code B19A4 in a Ford due to the Driver Seat Back Blower Speed Short to Battery problem?

Regularly inspecting the seat climate control system, checking for any signs of wiring damage, and addressing any issues promptly can help prevent the occurrence of this error code.

10. Can a DIY enthusiast with automotive knowledge repair the OBDII code B19A4 Ford error related to the Driver Seat Back Blower Speed Short to Battery issue?

Depending on the individual's skill level and access to tools, a DIY enthusiast may be able to address the issue by following repair guides and using proper diagnostic equipment. However, professional help is recommended for complex electrical repairs.