VW Code 01999
01999 Description And Summary : |
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Diagnosing engine bar with intake manifold runner bank 1, high temperature It could be due to limited air getting through your air intake reductant injection valve bank 2 unit 2, circuit low . On the other hand exhaust bank 4 sensor 1 heater circuit, short to b+ is the final reason of the code. |
01999 Possible Causes:
01999 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 01999 Code
- Inspect all the connections tiptronic switch (f189), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns