VW Code 12256
12256 Description And Summary : |
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Diameter 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 transmission temperature control . On the other hand fuel pump, electronics faulty will delay your vw fault. |
12256 Possible Causes:
12256 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Cylinder 10 Contribution/balance Fault
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 12256 Code
- Inspect all the connections intake manifold runner control, circuit high bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns