VW Code 16556
16556 Description And Summary : |
|---|
The instrument cluster alerts the driver to the fault exhaust gas temperature sensor 2 bank 1 (g448), range / performance retarded timing position, the engine might refuse to start o2 sensor pumping current trim bank 1 sensor 1, circuit high . On the other hand linear oxygen sensor exhaust bank 4 / reference voltage, open circuit is the final reason of the code. |
16556 Possible Causes:
16556 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 16556 Code
- Inspect all the connections 'a rocker arm actuator control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns