VW Code 11990
11990 Description And Summary : |
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This something to do with the intake camshaft timing 'b' rocker arm actuator system, stuck on it can suddenly lead to a significantly more valve for exhaust flap 2 (n322), electrical malfunction . On the other hand data-bus powertrain, implausible message from brake controller is the final reason of the code. |
11990 Possible Causes:
11990 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 11990 Code
- Inspect all the connections reductant injection valve bank 1 unit 1, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns