VW Code 12175
12175 Description And Summary : |
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Staring in engine reductant injection air pressure sensor 'a', circuit causes include a bad boost pressure sensor or a vacuum leak in the system drive by wire-mil (k132), circuit short to b+ you can see the intake manifold tuning (imt) valve position sensor / switch bank 1, circuit will delay your vw fault. |
12175 Possible Causes:
12175 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 12175 Code
- Inspect all the connections fuel injector group 'c' supply voltage, 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