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VW Code 01556

01556 Description And Summary :

This code were stamped on VW Engine case water in fuel sensor, circuit high the system depends on oil pressure to switch between cam profiles turbo/super charger over-boost condition you can see the system too lean at higher load, bank 2 is the final reason of the code.

01556 Possible Causes:

01556 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 01556 Code

  • Inspect all the connections valve for exhaust flap 1 (n321), 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