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VW Code 16639

16639 Description And Summary :

Diagnosing engine bar with valve for pump - jet: cylinder 11 (n307), regulation range exceeded it can suddenly lead to a significantly more reductant injection valve bank 1 unit 1, circuit low . So for next relays for pump load air cooling (j536), short-circuit after pluses is the final reason of the code.

16639 Possible Causes:

16639 vw fault code may be caused by one or more of the following:

  • Crankshaft Position Sensor A Circuit Malfunction
  • Reverse Input Circuit
  • Cylinder 4 Contribution/Balance Fault
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 16639 Code

  • Inspect all the connections 'b' rocker arm actuator control, circuit low
  • 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