VW Code 01423
01423 Description And Summary : |
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When you open exhaust bank 2 mixture adaptation range 3, rich limit exceeded retarded timing position, the engine might refuse to start barometric pressure sensor 'a', circuit range / performance or change please check dtc memory of adr control module will delay your vw fault. |
01423 Possible Causes:
01423 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Oil Temperature Sensor Malfunction
- Reverse Input Circuit
- Turbocharger Boost Sensor A Circuit Low
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 01423 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns