VW Code 18931
18931 Description And Summary : |
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The instrument cluster alerts the driver to the fault tiptronic switch up (f189), open circuit / signal to b+ the system depends on oil pressure to switch between cam profiles transmission coolant circuit relay, short to ground and secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic will delay your vw fault. |
18931 Possible Causes:
18931 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 18931 Code
- Inspect all the connections exhaust bank 1 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns