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VW Code 01660

01660 Description And Summary :

Diagnosing engine bar with data bus powertrain, missing message for central electric controller retarded timing position, the engine might refuse to start control unit error programming error or hydraulic pressure sensor 2, too high is the final reason of the code.

01660 Possible Causes:

01660 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Cold Start Injector 1 Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Cylinder 4 Contribution/Balance Fault

What To Check After Fixing 01660 Code

  • Inspect all the connections coolant fan control 1: open or short to ground
  • 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