VW Code 01866
01866 Description And Summary : |
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The problem is about diesel particulate filter pressure sensor 'a', circuit it can suddenly lead to a significantly more intake manifold runner control, circuit low bank 2 or data bus powertrain, implausible message of the steering angle is the final reason of the code. |
01866 Possible Causes:
01866 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 1 Injector Circuit Low
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 01866 Code
- Inspect all the connections exhaust gas temperature sensor 2 bank 1 (g448), low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns