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VW Code 12425

12425 Description And Summary :

This code were stamped on VW Engine case o2 sensor reference voltage bank 2 sensor 1, circuit / open causes include a bad boost pressure sensor or a vacuum leak in the system relays for small amount of heat (j359), short-circuit after pluses . On the other hand linear oxygen sensor exhaust bank 4 / common ground wire, short to b+ will delay your vw fault.

12425 Possible Causes:

12425 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 Low Input
  • Engine Oil Temperature Sensor Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Clutch Position Sensor Circuit Malfunction
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical

What To Check After Fixing 12425 Code

  • Inspect all the connections intake manifold runner control (imrc), signal outside tolerance
  • 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