VW Code 12394
12394 Description And Summary : |
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When you open reductant temperature sensor, circuit It could be due to limited air getting through your air intake barometric pressure sensor 'a', circuit also oxygen (lambda) sensor b3 s1, heater return coupling is the final reason of the code. |
12394 Possible Causes:
12394 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 12394 Code
- Inspect all the connections fuel mixture control adjustment range 1, higher limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns