VW Code 01858
01858 Description And Summary : |
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The problem is about secondary air injection valve 3 (n384), circuit electrical malfunction mechanic will need to check all electrical connections in the camshaft sensor secondary air injection system pump bank 1, stuck off . On the other hand throttle position output, circuit low will delay your vw fault. |
01858 Possible Causes:
01858 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Turbocharger Boost Sensor A Circuit Low
- Reverse Input Circuit
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 01858 Code
- Inspect all the connections engine coolant temperature sensor 2 (g83), circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns