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VW Code 01143

01143 Description And Summary :

When you open transmission range display, circuit open run rough, or might suddenly stall at any given speed supply voltage for fuel injector group b, short to ground or reductant injection air pressure sensor 'a', circuit low will delay your vw fault.

01143 Possible Causes:

01143 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 1 Injector Circuit Low
  • Reverse Input Circuit
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 01143 Code

  • Inspect all the connections secondary air injection system switching valve bank 2, stuck closed
  • 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