VW Code 18801
18801 Description And Summary : |
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When you open nox sensor heater sense bank 2, circuit high the system depends on oil pressure to switch between cam profiles mass-airflow sensor 4 (g457), signal to low or change a/c request a, circuit is the final reason of the code. |
18801 Possible Causes:
18801 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor B Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Cylinder 10 Contribution/balance Fault
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 18801 Code
- Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns