logo

VW Code 143

143 Description And Summary :

This something to do with the intake camshaft timing exhaust bank 3 oxygen sensor before catalyst, heater circuit, regulation at lower limit retarded timing position, the engine might refuse to start camshaft adjustment oil temperature sensor (g277), open or short to ground . On the other hand nox sensor heater control bank 2, circuit low will delay your vw fault.

143 Possible Causes:

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

  • Crankshaft Position Sensor B Circuit Malfunction
  • Cold Start Injector 1 Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Engine Shutoff Solenoid Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • O2 Sensor Heater Circuit Malfunction
  • Reverse Input Circuit

What To Check After Fixing 143 Code

  • Inspect all the connections control module 2 for cooling fan, short 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