B19A3 Mercury Code - Driver Seat Cushion Blower Speed Short To Battery
Quick Answer
The Front Seat Climate Control Module (SCME) supplies voltage and ground to the driver seat cushion blower motor. Common causes include Faulty Cushion Blower Motor, Cushion Blower Motor harness is open or shorted, Cushion 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
- B19A3 Mercury indicates Driver Seat Cushion Blower Speed Short To Battery.
- Common causes
- Common causes include Faulty Cushion Blower Motor, Cushion Blower Motor harness is open or shorted, Cushion 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 B19A3 Mercury Description
What are the Possible Causes of the DTC B19A3 Mercury?
- Faulty Cushion Blower Motor
- Cushion Blower Motor harness is open or shorted
- Cushion Blower Motor circuit poor electrical connection
- Faulty Front Seat Climate Control Module (SCME)
How to Fix the DTC B19A3 Mercury?
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 B19A3 Mercury 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 B19A3 Mercury Code
1. What are the common symptoms of OBDII code B19A3 in a Mercury related to the driver seat cushion blower speed short to battery?
- Common symptoms may include the driver seat cushion blower not working, abnormal blower speed fluctuations, or a blown fuse in the circuit.
2. What are the possible causes of OBDII code B19A3 indicating a driver seat cushion blower speed short to battery issue in a Mercury?
- Possible causes may include a short circuit in the wiring harness, a faulty blower motor, a malfunctioning blower speed control module, or a damaged electrical connection.
3. How can I diagnose the OBDII code B19A3 in my Mercury for the driver seat cushion blower speed short to battery problem?
- To diagnose this issue, you can use a diagnostic scanner to retrieve the specific fault code, visually inspect the wiring and connections for any visible damage, and perform electrical tests to identify the faulty component.
4. What repair tips can help resolve OBDII code B19A3 in a Mercury related to the driver seat cushion blower speed short to battery?
- Repair tips may include repairing or replacing damaged wiring, testing and replacing the blower motor if necessary, checking and resetting the blower speed control module, and ensuring all electrical connections are secure.
5. Can I fix OBDII code B19A3 indicating a driver seat cushion blower speed short to battery issue in my Mercury at home?
- Depending on your automotive repair skills and access to tools, you may be able to fix this issue at home by following diagnostic procedures, checking wiring and connections, and replacing faulty components as needed.
6. Is it safe to drive my Mercury with OBDII code B19A3 related to the driver seat cushion blower speed short to battery problem?
- It is not recommended to drive your vehicle with this issue as it may lead to discomfort while driving, potential electrical malfunctions, or even pose a safety hazard due to the blower not functioning properly.
7. How much does it typically cost to repair OBDII code B19A3 in a Mercury for the driver seat cushion blower speed short to battery issue?
- The cost of repair can vary depending on the root cause of the problem, the cost of parts needed for replacement, and labor charges. It is advisable to get quotes from professional mechanics for an accurate estimate.
8. Can OBDII code B19A3 indicating a driver seat cushion blower speed short to battery issue in my Mercury affect other vehicle systems?
- While this code specifically relates to the driver seat cushion blower speed issue, electrical problems in one part of the vehicle can sometimes affect other systems, so it's essential to address the issue promptly.
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