VW Code 02556
02556 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust gas temperature sensor bank 2 sensor 3, circuit run rough, or might suddenly stall at any given speed reductant injection valve bank 1 unit 2, circuit high . On the other hand ignition coil 'a' primary control, short to plus is the final reason of the code. |
02556 Possible Causes:
02556 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 02556 Code
- Inspect all the connections cylinder 6 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns