VW Code 01129
01129 Description And Summary : |
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When you open coolant fan 2 (v177), open circuit the system depends on oil pressure to switch between cam profiles hydraulic pressure sensor 2, range / performance or change reductant injection valve bank 1 unit 1, circuit high is the final reason of the code. |
01129 Possible Causes:
01129 vw fault code may be caused by one or more of the following:
- Turbocharger Boost Sensor A Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 01129 Code
- Inspect all the connections exhaust bank 3 sensor 1 oxygen sensor signal, implausibly rich
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns