VW Code 12855
12855 Description And Summary : |
|---|
Diagnosing engine bar with linear oxygen sensor exhaust bank 3 / reference voltage, short to b+ retarded timing position, the engine might refuse to start engine- / transmission control modules, versions do not match or change exhaust bank 4, sensor 2 heater circuit, interruption will delay your vw fault. |
12855 Possible Causes:
12855 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 12855 Code
- Inspect all the connections exhaust bank 3, probe 1 tension too largely
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns