B1400 Hyundai Code - SIS Front-Driver Defect
Quick Answer
The Side Impact Sensor (SIS) is located on both side of the center pillar detects a broad collision. Common causes include Faulty Front-Driver Side Impact Sensor (SIS), Front-Driver Side Impact Sensor (SIS) harness is open or shorted, Front-Driver Side Impact Sensor (SIS) 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
- B1400 Hyundai indicates SIS Front-Driver Defect.
- Common causes
- Common causes include Faulty Front-Driver Side Impact Sensor (SIS), Front-Driver Side Impact Sensor (SIS) harness is open or shorted, Front-Driver Side Impact Sensor (SIS) 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 B1400 Hyundai Description
What are the Possible Causes of the DTC B1400 Hyundai?
- Faulty Front-Driver Side Impact Sensor (SIS)
- Front-Driver Side Impact Sensor (SIS) harness is open or shorted
- Front-Driver Side Impact Sensor (SIS) circuit poor electrical connection
- Faulty Supplemental Restraints System Control Module (SRSCM)
How to Fix the DTC B1400 Hyundai?
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 B1400 Hyundai 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 B1400 Hyundai Code
1. What are the common symptoms of OBDII code B1400 in a Hyundai related to the SIS Front-Driver Defect?
The common symptoms include the SRS (Supplemental Restraint System) warning light illuminating on the dashboard.
2. What is the likely cause of OBDII code B1400 in a Hyundai indicating the SIS Front-Driver Defect?
The code is typically triggered by a fault in the front driver's side impact sensor (SIS) circuit.
3. How can I diagnose the SIS Front-Driver Defect issue causing OBDII code B1400 in my Hyundai?
Diagnosing this issue requires a professional OBDII scanner to read the specific fault code and pinpoint the problem in the SIS circuit.
4. Can I repair the SIS Front-Driver Defect issue triggering OBDII code B1400 in my Hyundai by myself?
While some DIY enthusiasts may attempt to repair the issue, it is recommended to seek assistance from a qualified mechanic or Hyundai service center due to the complexity of the SRS system.
5. Are there any safety concerns associated with OBDII code B1400 in a Hyundai related to the SIS Front-Driver Defect?
Yes, it is crucial to address this issue promptly as it may affect the proper functioning of the front driver's side airbag in the event of a collision.
6. How much does it typically cost to repair the SIS Front-Driver Defect issue causing OBDII code B1400 in a Hyundai?
The cost of repair can vary depending on the extent of the damage and the specific components that need to be replaced, so it is advisable to obtain a quote from a professional technician.
7. Can resetting the OBDII system clear the B1400 code related to the SIS Front-Driver Defect in my Hyundai?
Resetting the system may temporarily clear the code, but it will likely reappear if the underlying issue with the front driver's side impact sensor circuit is not resolved.
8. Is it safe to drive my Hyundai with the SIS Front-Driver Defect issue causing OBDII code B1400?
It is not recommended to drive the vehicle with a malfunctioning SIS Front-Driver Defect, as it may compromise the effectiveness of the airbag system in an accident.
9. How long does it typically take to repair the SIS Front-Driver Defect issue triggering OBDII code B1400 in a Hyundai?
The repair time can vary depending on the availability of parts and the complexity of the issue, so it is advisable to consult with a mechanic for a more accurate estimate.
10. Can the SIS Front-Driver Defect related to OBDII code B1400 in a Hyundai be prevented?
Regular maintenance and prompt attention to any warning lights or diagnostic trouble codes can help prevent issues like the SIS Front-Driver Defect from occurring.
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