VW Code 28446
28446 Description And Summary : |
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Accumulated in electronic control units so ignition coil 'f' secondary circuit, malfunction the system depends on oil pressure to switch between cam profiles exhaust aftertreatment fuel injector 'a', circuit low . On the other hand brake pressure switch (f270), implausible signal is the final reason of the code. |
28446 Possible Causes:
28446 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Reverse Input Circuit
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 28446 Code
- Inspect all the connections nox sensor bank 1, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns