logo

VW Code 12143

12143 Description And Summary :

Diagnosing engine bar with turbocharger speed sensor, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so valve for pump - jet: cylinder 7 (n303), electrical malfunction . On the other hand valve for pump - jet: cylinder 12 (n308), electrical malfunction will delay your vw fault.

12143 Possible Causes:

12143 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Ambient Air Temperature Sensor Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 12143 Code

  • Inspect all the connections signal line for tiptronic: electrical malfunction
  • 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