VW Code 16221
16221 Description And Summary : |
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When you open exhaust gas temperature sensor bank 2 sensor 1, circuit range / performance the system depends on oil pressure to switch between cam profiles data bus powertrain, missing message from airbag controller you can see the fuel injection valve 1 (n366), short to b+ is the final reason of the code. |
16221 Possible Causes:
16221 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift Solenoid E Performance or Stuck Off
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Cylinder 10 Contribution/balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 16221 Code
- Inspect all the connections ng high pressure valve (n372), open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns