Hyundai B1478: Passenger Curtain Airbag (CAB) Circuit Resistance Low
Is your scanner showing Hyundai B1478?
No worries. We'll show you what it means and how to deal with it.
Hyundai B1478: Passenger Curtain Airbag (CAB) Circuit Resistance Low
OVERVIEWWhat Does The Hyundai B1478 Code Mean?
Curtain Airbag (hereinafter referred to CAB) is located at driver and passenger side of headliner It protects passenger’s head and shoulder from fragments of glass or something sharpen caused by overturn. CAB consists of air bag and inflator. Air bag reduces impact of collision by filling up gas. Inflator keeps gas and uses it to deploy air bag on collision.
The SRSCM sets DTC B1478 if the measured resistance value of PCAB circuit is less than the threshold value. *In this case, SRSCM checks if there’s any fault in circuit by sending current for a while.
What Are The Potential Causes Of The Hyundai B1478 Code?
- Poor connection of connected part.
- Poor connection between shorting bar and release pin.
- Faulty CAB.
- Faulty SRSCM.
Recommended Parts
Below are some recommended auto parts to help you address the trouble code affecting your vehicle and get it running smoothly again:
>>> WORKPRO 582-piece Crimp Terminals, Wire Connectors, Heat Shrink Tube, Electrical Repair Kit
>>> SRS Control Module
>>> Hyundai Driver Curtain Airbag
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
SRSCM (SRS Control Module) General Information for B1478 – Hyundai Genesis Coupe, pages 220-222.
