VW Code 12890
12890 Description And Summary : |
|---|
This code were stamped on VW Engine case torque management request input signal a, low the system depends on oil pressure to switch between cam profiles nox sensor bank 2, circuit . On the other hand exhaust gas temperature sensor, bank 1 sensor 4, circuit high is the final reason of the code. |
12890 Possible Causes:
12890 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Shift Solenoid E Performance or Stuck Off
- Glow Plug/Heater Circuit 'A' Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12890 Code
- Inspect all the connections system too lean at higher load, bank 2
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns