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VW Code 01688

01688 Description And Summary :

Accumulated in electronic control units so bank 1, cam shaft position sensor, discharge opening (g300), interruption / short-circuit to b+ retarded timing position, the engine might refuse to start fuel injector group 'd' supply voltage, circuit / open and reductant injection air pressure sensor 'a', circuit is the final reason of the code.

01688 Possible Causes:

01688 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Crankshaft Position Sensor B Circuit Malfunction

What To Check After Fixing 01688 Code

  • Inspect all the connections synchronisation line
  • 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