Audi P1420: Secondary Air Injector Valve Circuit Electrical Malfunction
Is your scanner showing Audi P1420?
No worries. We'll show you what it means and how to deal with it.
Audi P1420: Secondary Air Injector Valve Circuit Electrical Malfunction
OVERVIEWWhat Does The Audi P1420 Code Mean?
The Engine Control Module activates the secondary air injection solenoid valve, but the Heated Oxygen Sensor (HO2S) does not detect secondary air injection.
Note: Solenoid valve is closed when no voltage is present.
What Are The Potential Causes Of The Audi P1420 Code?
- Connector to the secondary air injection valve is loose or disconnected
- Secondary air injector valve circuit short
- Secondary air injector valve circuit is open
- Faulty secondary air injector valve
- ECM has failed
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
>>> Secondary Air Injection Pump Check Valve Audi
>>> Audi Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
Reference Sources
Audi P1420, DTCDECODE.
