VW Code 16121
16121 Description And Summary : |
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Staring in engine a/c request a, circuit low the system depends on oil pressure to switch between cam profiles throttle/pedal position sensor / switch 'd', circuit or change ignition coil 'e' primary control, circuit low is the final reason of the code. |
16121 Possible Causes:
16121 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 16121 Code
- Inspect all the connections reductant temperature sensor, circuit range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns