B1391 KIA Code - Passenger Seat Track Position Sensor Short Or Short To Battery
Quick Answer
The Seat Track Position Sensor (STPS) located underneath the occupant seat detects the horizontal position of the occupant seat and delivers it to the Supplemental Restraint System Control Module (SRSCM). Common causes include Faulty Passenger Seat Track Position Sensor, Passenger Seat Track Position Sensor harness is open or shorted, Passenger Seat Track Position Sensor 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
- B1391 KIA indicates Passenger Seat Track Position Sensor Short Or Short To Battery.
- Common causes
- Common causes include Faulty Passenger Seat Track Position Sensor, Passenger Seat Track Position Sensor harness is open or shorted, Passenger Seat Track Position Sensor 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 B1391 KIA Description
What are the Possible Causes of the DTC B1391 KIA?
- Faulty Passenger Seat Track Position Sensor
- Passenger Seat Track Position Sensor harness is open or shorted
- Passenger Seat Track Position Sensor circuit poor electrical connection
- Faulty Supplemental Restraint System Control Module (SRSCM)
How to Fix the DTC B1391 KIA?
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 B1391 KIA 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 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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