VW Code 13556
13556 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 4 sensor 1 heater circuit, open causes include a bad boost pressure sensor or a vacuum leak in the system engine temperature too low and wait then change-over valve for intake manifold flap 2, high will delay your vw fault. |
13556 Possible Causes:
13556 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Engine Oil Temperature Sensor Malfunction
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Reverse Input Circuit
What To Check After Fixing 13556 Code
- Inspect all the connections exhaust gas recirculation vent control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns