B1391 KIA Code - Passenger Seat Track Position Sensor Short Or Short To Battery
Quick Answer
The B1391 diagnostic trouble code (DTC) for KIA vehicles indicates a problem with the passenger seat track position sensor, specifically a short circuit or a short to the battery. Common causes include Short circuit in the wiring harness connected to the passenger seat track position sensor, Faulty passenger seat track position sensor, Corrosion or damage to the sensor connectors. 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
- B1391 KIA indicates Passenger Seat Track Position Sensor Short Or Short To Battery.
- Common causes
- Common causes include Short circuit in the wiring harness connected to the passenger seat track position sensor, Faulty passenger seat track position sensor, Corrosion or damage to the sensor connectors.
- 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 B1391 KIA Description
The B1391 diagnostic trouble code (DTC) for KIA vehicles indicates a problem with the passenger seat track position sensor, specifically a short circuit or a short to the battery. The seat track position sensor is a crucial component that helps determine the position of the passenger seat in the vehicle. This information is essential for the proper functioning of various vehicle systems, including airbag deployment, seatbelt tensioning, and overall occupant safety.
Common Causes of B1391 KIA
- Short circuit in the wiring harness connected to the passenger seat track position sensor.
- Faulty passenger seat track position sensor.
- Corrosion or damage to the sensor connectors.
- Electrical issues in the vehicle's system.
- Impact or damage to the passenger seat affecting the sensor's functionality.
Symptoms of B1391 KIA
- Airbag warning light illuminated on the dashboard.
- Inaccurate seat position readings on the vehicle's display.
- Improper deployment of airbags during a collision.
- Seatbelt tensioning issues.
- Passenger seat not adjusting properly.
How to Fix B1391 KIA
- Begin by conducting a thorough inspection of the wiring harness, sensor connectors, and the sensor itself to identify any visible damage or corrosion.
- Use a multimeter to test the continuity of the wiring harness and check for any short circuits.
- If the wiring harness or connectors are damaged, repair or replace them as needed.
- Replace the passenger seat track position sensor if it is found to be faulty.
- Clear the DTC from the vehicle's system using a diagnostic scanner and perform a test drive to ensure the issue has been resolved.
Cost to Fix B1391 KIA
The cost of repairing a B1391 code for a KIA vehicle can vary depending on the extent of the damage and the specific parts that need to be replaced. On average, the repair costs for this issue can range from $200 to $500, including parts and labor. It's important to note that labor rates at auto repair shops can vary, typically ranging between $80 and $150 per hour. Factors such as location, vehicle make and model, and engine type can also influence the overall repair costs. It is advisable to consult with a qualified mechanic or auto repair shop to get a more accurate estimate based on your specific vehicle and situation.
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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 B1391 KIA Code
1. What are the common symptoms of OBDII code B1391 in a KIA related to the passenger seat track position sensor?
The common symptoms include issues with the power seat functionality, such as the seat not moving or adjusting properly.
2. What can cause the OBDII code B1391 in a KIA to trigger specifically for the passenger seat track position sensor?
This code is typically triggered by a short circuit or a wiring issue in the passenger seat track position sensor circuit.
3. How can I diagnose the OBDII code B1391 in a KIA related to the passenger seat track position sensor?
Diagnosis involves inspecting the wiring and connections associated with the passenger seat track position sensor for any signs of damage or shorts.
4. Are there any DIY repair tips for fixing the OBDII code B1391 in a KIA due to the passenger seat track position sensor issue?
DIY repair tips include checking and repairing any damaged wiring, ensuring proper connections, and resetting the fault code with an OBDII scanner.
5. Can a faulty passenger seat track position sensor pose any safety risks in a KIA vehicle?
Yes, a faulty sensor can affect the proper functioning of the passenger seat, potentially compromising safety in case of an accident or sudden movements.
6. Is it possible to temporarily bypass the passenger seat track position sensor to address the OBDII code B1391 in a KIA?
It is not recommended to bypass or disable the sensor as it can lead to further issues and compromise the safety features of the vehicle.
7. How much does it typically cost to repair the OBDII code B1391 in a KIA caused by the passenger seat track position sensor?
The cost of repair can vary depending on the extent of the damage and whether you choose to fix it yourself or seek professional help. It may range from a few dollars for DIY repairs to a few hundred dollars at a dealership or repair shop.
8. Can resetting the OBDII code B1391 in a KIA related to the passenger seat track position sensor fix the issue permanently?
Resetting the code may clear it temporarily, but if the underlying problem with the sensor or wiring is not addressed, the code is likely to reappear.
9. How long does it usually take to repair the OBDII code B1391 in a KIA due to the passenger seat track position sensor issue?
The repair time can vary depending on the extent of the damage and the level of expertise. It can range from a quick fix that takes minutes to a more involved repair that may take a couple of hours.
10. Are there any recalls or service bulletins related to the OBDII code B1391 in KIA vehicles for the passenger seat track position sensor?
It's advisable to check with a KIA dealership or the manufacturer's website for any recalls or service bulletins related to this specific OBDII code and sensor issue.
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