logo

VW Code 03889

03889 Description And Summary :

This code were stamped on VW Engine case direct ozone reduction catalyst temperature sensor, circuit low run rough, or might suddenly stall at any given speed exhaust bank 1 sensor 1 oxygen sensor signal, voltage too low during deceleration also relays for small amount of heat (j359), disconnected or short to ground is the final reason of the code.

03889 Possible Causes:

03889 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Crankshaft Position Sensor B Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 4 Contribution/Balance Fault
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 03889 Code

  • Inspect all the connections transmission coolant circuit relay, short to b+
  • 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