VW Code 01989
01989 Description And Summary : |
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The problem is about powertrain databus, implausible engine temperature message from inst. to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection air pump control, circuit / open or manifold absolute pressure / mass air flow - throttle position correlation at higher load will delay your vw fault. |
01989 Possible Causes:
01989 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 01989 Code
- Inspect all the connections ignition coil 'k' primary control, 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