VW Code 06406
06406 Description And Summary : |
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When you open exhaust bank 1 mixture adaptation range 3, lean limit not reached the system depends on oil pressure to switch between cam profiles please check coding of ecus in data bus powertrain and wait then exhaust bank 3 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault. |
06406 Possible Causes:
06406 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 06406 Code
- Inspect all the connections b camshaft position actuator control bank 2, 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