B19A4 Lincoln 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 Lincoln 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.
Code B19A4 Lincoln Description
What are the Possible Causes of the DTC B19A4 Lincoln?
- 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 Lincoln?
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 Lincoln 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.
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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.
Frequently Asked Questions about B19A4 Lincoln Code
1. What are the common symptoms of OBDII code B19A4 in a Lincoln related to the Driver Seat Back Blower Speed Short to Battery?
The common symptoms include the driver seat back blower not functioning properly or only operating at a single speed.
2. What are the possible causes of the OBDII code B19A4 in a Lincoln?
Possible causes can include a short to battery in the driver seat back blower speed circuit, faulty wiring, a defective blower motor, or a malfunctioning control module.
3. How can I diagnose the issue causing OBDII code B19A4 in my Lincoln?
To diagnose the problem, you can use a multimeter to check for shorts in the wiring, test the blower motor for proper operation, and scan the vehicle's computer for any stored fault codes related to the driver seat back blower.
4. What are some repair tips for fixing the Driver Seat Back Blower Speed Short to Battery issue in a Lincoln?
Repair tips may include checking and repairing any damaged wiring, replacing the blower motor if necessary, and resetting the control module after resolving the short to battery issue.
5. Can I continue driving my Lincoln with OBDII code B19A4 related to the Driver Seat Back Blower Speed Short to Battery?
It is not recommended to continue driving the vehicle with this issue, as it may lead to further electrical problems or potential safety hazards. It is best to address the problem promptly.
6. Is OBDII code B19A4 a common issue in Lincolns?
While not extremely common, the Driver Seat Back Blower Speed Short to Battery code can occur in Lincolns due to electrical faults or component failures in the blower system.
7. How much does it typically cost to repair OBDII code B19A4 in a Lincoln?
The cost of repairs can vary depending on the exact cause of the issue, but it may involve expenses for parts and labor, ranging from a few hundred to a thousand dollars.
8. Can a DIY enthusiast fix OBDII code B19A4 in a Lincoln?
If the DIY enthusiast has experience with automotive electrical systems and the necessary tools, they may be able to diagnose and repair the issue themselves. However, professional assistance is recommended for complex electrical problems.
9. Will resetting the OBDII codes clear OBDII code B19A4 in a Lincoln?
Resetting the OBDII codes may temporarily clear the code, but it is crucial to address the underlying issue causing the fault code to prevent it from reoccurring.
10. How long does it typically take to repair OBDII code B19A4 related to the Driver Seat Back Blower Speed Short to Battery in a Lincoln?
The repair time can vary based on the exact cause of the issue and the availability of parts. It may take a few hours to a full day for a mechanic to diagnose and fix the problem.
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