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VW Code 12161

12161 Description And Summary :

Accumulated in electronic control units so injector cylinder 13 (n390), circuit high it can suddenly lead to a significantly more exhaust bank 4 sensor 1 heater circuit, internal resistance too large . So for next exhaust bank 4, sensor 2, signal too slowly is the final reason of the code.

12161 Possible Causes:

12161 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • O2 Sensor Heater Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Crankshaft Position Sensor B Circuit Malfunction
  • Timing Reference High Resolution Signal A Too Many Pulses

What To Check After Fixing 12161 Code

  • Inspect all the connections starter interlock, circuit 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