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VW Code 12950

12950 Description And Summary :

This code were stamped on VW Engine case engine torque reduction, fault run rough, or might suddenly stall at any given speed linear oxygen sensor exhaust bank 2 / common ground wire, open circuit you can see the exhaust bank 4, sensor 2 heater circuit, short-circuit after mass will delay your vw fault.

12950 Possible Causes:

12950 vw fault code may be caused by one or more of the following:

  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cold Start Injector 1 Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Fuel Rail Pressure Sensor Circuit Malfunction

What To Check After Fixing 12950 Code

  • Inspect all the connections reductant injection air pressure sensor 'a', circuit
  • 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