VW Code 12394
12394 Description And Summary : |
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When you open relay for exhaust cooling agent (n313), short to b+ to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection air pressure sensor 'a', circuit range / performance you can see the exhaust aftertreatment fuel injector 'a', circuit low is the final reason of the code. |
12394 Possible Causes:
12394 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 10 Contribution/balance Fault
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 12394 Code
- Inspect all the connections nox sensor heater control bank 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns