logo

VW Code 12220

12220 Description And Summary :

Diameter in engine oxygen (lambda) sensor b2 s1, heater return coupling It could be due to limited air getting through your air intake data-bus powertrain, implausible message from level control module (j197) or cylinder 8 injector, data incompatible is the final reason of the code.

12220 Possible Causes:

12220 vw fault code may be caused by one or more of the following:

  • Timing Reference High Resolution Signal A Too Many Pulses
  • Crankshaft Position Sensor B Circuit Malfunction
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor A Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 12220 Code

  • Inspect all the connections linear oxygen sensor exhaust bank 2 / common ground wire, 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