Audi P1546: Boost Pressure Control Valve Short to B+
Is your scanner showing Audi P1546?
No worries. We'll show you what it means and how to deal with it.
Audi P1546: Boost Pressure Control Valve Short to B+
OVERVIEWWhat Does The Audi P1546 Code Mean?
This code indicates the condition that engine started, battery voltage at least 11.5v, all electrical components off, ground connections between engine and chassis well connected, coolant temperature at least 80-degrees Celsius. The ECM detected an short in the boost pressure control valve.
What Are The Potential Causes Of The Audi P1546 Code?
Below are some potential causes of this DTC:
- Charge air pressure sensor is faulty
- Voltage supply to the charge air pressure sensor is open or shorted
- Check the charge air system for leaks
- Recirculating valve for turbocharger is faulty
- Turbocharging system is damaged or not functioning properly
- Turbocharger recirculating valve is faulty
- Vacuum diagramfor turbocharger is out of adjustment
- Wastegate bypass regulator valve is faulty
- Boost sensor has failed
- 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:
>>> Twippo 372Pcs Waterproof Wire Connectors Kit
>>> Dorman 911-240 Turbocharger Diverter Valve
>>> Turbocharger Boost Sensor Compatible With Audi
>>> Audi Engine Control Module
Note: During the purchasing process, please check carefully whether the part you want to buy fits your car!
