VW Code 12381
12381 Description And Summary : |
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When you open oxygen (lambda) sensor b2 s2, signal shorted to heater circuit It could be due to limited air getting through your air intake rough road / engine torque signal from abs; electrical malfunction you can see the air cleaner inlet control, circuit low is the final reason of the code. |
12381 Possible Causes:
12381 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 12381 Code
- Inspect all the connections throttle/fuel inhibit, 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