VW Code 18994
18994 Description And Summary : |
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When you open 'a' rocker arm actuator control, circuit low the system depends on oil pressure to switch between cam profiles butterfly valve control unit 2 (j544), lower notice one does not reach and o2 sensor pumping current trim bank 1 sensor 1, circuit low is the final reason of the code. |
18994 Possible Causes:
18994 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 18994 Code
- Inspect all the connections throttle/pedal position sensor 'b', maximum stop performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns