VW Code 12681
12681 Description And Summary : |
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The problem is about secondary air injection system pump bank 2, stuck off It could be due to limited air getting through your air intake givers 2 for intake air temperature (g299), signal too largely also bank 2, system too lean off idle is the final reason of the code. |
12681 Possible Causes:
12681 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Glow Plug/Heater Circuit 'A' Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 12681 Code
- Inspect all the connections reductant injection air pressure sensor 'a', circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns