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VW Code 14812

14812 Description And Summary :

When you open motor for intake manifold flap (v157), no signal causes include a bad boost pressure sensor or a vacuum leak in the system planetary overdrive / low range, mechanical malfunction . So for next evaporative emission system leak detection pump control, circuit high is the final reason of the code.

14812 Possible Causes:

14812 vw fault code may be caused by one or more of the following:

  • Fuel Rail/System Pressure - Too High
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 4 Contribution/Balance Fault
  • Engine Shutoff Solenoid Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • O2 Sensor Heater Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 14812 Code

  • Inspect all the connections fuel rail sensor (g401), short to b+
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range