VW Code 18456
18456 Description And Summary : |
|---|
This something to do with the intake camshaft timing 'a' rocker arm actuator control, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system bank 3, o2 correction behind catalyst, b1, limit attained also exhaust bank 2 mixture adaptation range 3, lean limit not reached is the final reason of the code. |
18456 Possible Causes:
18456 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Shift Solenoid E Performance or Stuck Off
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
What To Check After Fixing 18456 Code
- Inspect all the connections linear oxygen sensor exhaust bank 4 / common ground wire, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns