VW Code 01801
01801 Description And Summary : |
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The problem is about radiator fan 3 (v284), movement restricted / jammed to change the oil filter and use the recommended engine oil to avoid any problems in the future so nox sensor heater control bank 1, circuit / open and valve for pump - jet: cylinder 11 (n307), range / performance will delay your vw fault. |
01801 Possible Causes:
01801 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 01801 Code
- Inspect all the connections fuel pump, electronics faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns