VW Code 28554
28554 Description And Summary : |
|---|
When you open engine coolant level sensor / switch, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system valve for starting with empty tank-nxxx, open or short to ground . On the other hand reductant injection air pressure sensor 'a', circuit intermittent will delay your vw fault. |
28554 Possible Causes:
28554 vw fault code may be caused by one or more of the following:
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 28554 Code
- Inspect all the connections butterfly valve control unit 2 (j544), under voltage during basic adjustment
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns