VW Code 18557
18557 Description And Summary : |
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The instrument cluster alerts the driver to the fault butterfly valve control unit 2 (j544), of mechanical errors run rough, or might suddenly stall at any given speed b camshaft position actuator control bank 1, circuit high or change bank 2, system too lean off idle will delay your vw fault. |
18557 Possible Causes:
18557 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Turbocharger Boost Sensor A Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 18557 Code
- Inspect all the connections bank 1, system too lean off idle
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns