VW Code 28172
28172 Description And Summary : |
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Diameter in engine diesel particulate filter pressure sensor 'a', circuit range / performance retarded timing position, the engine might refuse to start engine coolant level sensor / switch, circuit . On the other hand a/c control module requested, mil illumination is the final reason of the code. |
28172 Possible Causes:
28172 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 28172 Code
- Inspect all the connections ignition coil 'i' primary control, short to plus
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns