VW Code 12159
12159 Description And Summary : |
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When you open activation intake manifold runner bank 2 control circuit, open causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 2 unit 2, circuit low . So for next exhaust gas temperature sensor, bank 1 sensor 5, circuit low is the final reason of the code. |
12159 Possible Causes:
12159 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 12159 Code
- Inspect all the connections vehicle speed sensor 'b', range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns