VW Code 12452
12452 Description And Summary : |
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Staring in engine sensor 1 for hydraulic pressure in transmission, open or short to b+ the system depends on oil pressure to switch between cam profiles 'b' rocker arm actuator control, circuit / open you can see the barometric pressure sensor 'a', circuit range / performance will delay your vw fault. |
12452 Possible Causes:
12452 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Shift Solenoid E Performance or Stuck Off
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 12452 Code
- Inspect all the connections linear oxygen sensor exhaust bank 2 / pump current, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns