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VW Code 04143

04143 Description And Summary :

The problem is about reductant injection valve bank 2 unit 2, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system ignition coil cylinder 15, open circuit . So for next actuator supply voltage 'c', circuit low is the final reason of the code.

04143 Possible Causes:

04143 vw fault code may be caused by one or more of the following:

  • Cylinder 4 Contribution/Balance Fault
  • Cold Start Injector 1 Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Reverse Input Circuit
  • Injector Circuit Malfunction - Cylinders
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 04143 Code

  • Inspect all the connections a/c request 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