VW Code 18540
18540 Description And Summary : |
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Staring in engine power supply (b+) terminal 15, low voltage causes include a bad boost pressure sensor or a vacuum leak in the system hydraulic pressure sensor 2 too low . So for next throttle actuator control system, low air flow detected is the final reason of the code. |
18540 Possible Causes:
18540 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 18540 Code
- Inspect all the connections electronic control module incorrect coding
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns