VW Code 15557
15557 Description And Summary : |
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Staring in engine o2 sensor reference voltage bank 2 sensor 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system fuel pressure regulator 2 control circuit high . On the other hand nox sensor heater sense bank 2, circuit low will delay your vw fault. |
15557 Possible Causes:
15557 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 15557 Code
- Inspect all the connections clutch torque adaptation 2: adaptation limit reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns