VW Code 12540
12540 Description And Summary : |
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Diagnosing engine bar with b camshaft position actuator control bank 2, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil 'h' primary control, circuit low or change injector control pressure sensor, circuit low will delay your vw fault. |
12540 Possible Causes:
12540 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Crankshaft Position Sensor A Circuit Low Input
- Glow Plug/Heater Circuit 'A' Malfunction
What To Check After Fixing 12540 Code
- Inspect all the connections throttle/fuel inhibit, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns