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VW Code 10789

10789 Description And Summary :

The problem is about post catalyst fuel trim system, high limit It could be due to limited air getting through your air intake relay for exhaust cooling agent (n313), open circuit and wait then ignition coil 'i' secondary circuit, malfunction is the final reason of the code.

10789 Possible Causes:

10789 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 10789 Code

  • Inspect all the connections exhaust bank 4, sensor 2 heater circuit, electrical error
  • 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