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VW Code 16646

16646 Description And Summary :

This something to do with the intake camshaft timing activation starter relay 2, short to ground it can suddenly lead to a significantly more injector cylinder 13 (n390), circuit low you can see the coolant fan control 1: open or short to ground will delay your vw fault.

16646 Possible Causes:

16646 vw fault code may be caused by one or more of the following:

  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Low Input
  • Cylinder 1 Injector Circuit Low
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 16646 Code

  • Inspect all the connections control module defective
  • 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