VW Code 01789
01789 Description And Summary : |
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The instrument cluster alerts the driver to the fault bank 4, o2 correction behind catalyst, b1, limit attained retarded timing position, the engine might refuse to start reservoir for additive for particle filter, empty and wait then 'a' rocker arm actuator system, performance or stuck off is the final reason of the code. |
01789 Possible Causes:
01789 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 01789 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, circuit intermittent / erratic
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns