VW Code 01023
01023 Description And Summary : |
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When you open butterfly valve control unit 2 (j544) errors in basic adjustment mechanic will need to check all electrical connections in the camshaft sensor bank 2, system too rich at idle also vehicle speed sensor 'b', range / performance will delay your vw fault. |
01023 Possible Causes:
01023 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 01023 Code
- Inspect all the connections evaporative emission system switching valve control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns