B1474 KIA Code - Driver Curtain Airbag Resistance Too Low
Quick Answer
The Curtain Airbag (CAB) Squib circuit consists of the Supplemental Restraints System Control Module (SRSCM) and two Curtain Airbag. Common causes include Faulty Driver Curtain Airbag (CAB) Squib, Driver Curtain Airbag (CAB) Squib harness is open or shorted, Driver Curtain Airbag (CAB) Squib 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
- B1474 KIA indicates Driver Curtain Airbag Resistance Too Low.
- Common causes
- Common causes include Faulty Driver Curtain Airbag (CAB) Squib, Driver Curtain Airbag (CAB) Squib harness is open or shorted, Driver Curtain Airbag (CAB) Squib 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 B1474 KIA Description
What are the Possible Causes of the DTC B1474 KIA?
- Faulty Driver Curtain Airbag (CAB) Squib
- Driver Curtain Airbag (CAB) Squib harness is open or shorted
- Driver Curtain Airbag (CAB) Squib circuit poor electrical connection
- Faulty Supplemental Restraints System Control Module (SRSCM)
How to Fix the DTC B1474 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 B1474 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 B1474 KIA Code
1. What are common symptoms of OBDII code B1474 in a KIA related to the driver curtain airbag resistance being too low?
- Common symptoms may include the airbag warning light illuminated on the dashboard and a diagnostic trouble code (DTC) stored in the vehicle's computer system.
2. What could cause the driver curtain airbag resistance to be too low in a KIA, triggering OBDII code B1474?
- Possible causes include damaged wiring or connectors, a faulty airbag module, issues with the airbag deployment system, or a problem with the airbag itself.
3. How can I diagnose and troubleshoot OBDII code B1474 in my KIA if the driver curtain airbag resistance is too low?
- Diagnosis typically involves checking the wiring, connectors, and components related to the driver curtain airbag system, as well as using a diagnostic scanner to retrieve and interpret the trouble code.
4. Is it safe to drive my KIA with OBDII code B1474 indicating that the driver curtain airbag resistance is too low?
- It is not recommended to drive the vehicle with a potential airbag system issue, as the airbag may not deploy correctly in the event of a collision, compromising occupant safety.
5. Can I reset OBDII code B1474 in my KIA indicating low driver curtain airbag resistance without fixing the underlying issue?
- Clearing the code without addressing the root cause will likely result in the code reappearing once the vehicle's systems perform a self-check, as the problem triggering the code remains unresolved.
6. What are the repair options for fixing OBDII code B1474 related to low driver curtain airbag resistance in a KIA?
- Repair options may include repairing or replacing damaged wiring, connectors, or components in the driver curtain airbag system, as well as addressing any underlying issues causing the resistance to be too low.
7. How critical is it to address OBDII code B1474 in a KIA indicating low driver curtain airbag resistance promptly?
- It is crucial to address this code promptly, as it indicates a potential safety issue with the airbag system that could compromise occupant safety in the event of a collision.
8. Can a DIY enthusiast fix OBDII code B1474 related to low driver curtain airbag resistance in a KIA?
- While some basic troubleshooting steps can be performed by a DIY enthusiast, addressing and repairing the underlying issue may require specialized tools, knowledge, and expertise best handled by a professional technician.
9. Are there any recalls or technical service bulletins (TSBs) related to OBDII code B1474 in KIA vehicles with low driver curtain airbag resistance?
- It is recommended to check with your local KIA dealership or visit the NHTSA website to see if there are any recalls or TSBs related to this specific issue in your vehicle model.
10. How can I prevent OBDII code B1474 from occurring in my KIA due to low driver curtain airbag resistance in the future?
- Regular maintenance and inspections of the airbag system, including checking wiring integrity and connections, can help prevent issues that may trigger this code.
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