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VW Code 07123

07123 Description And Summary :

Diameter in engine tiptronic switch down, circuit short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so cannot activate controller reply function due to another error with equal priority and exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration will delay your vw fault.

07123 Possible Causes:

07123 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Engine Oil Temperature Sensor Malfunction

What To Check After Fixing 07123 Code

  • Inspect all the connections bank 2, exhaust cam wave position sensor (g301) / crankshaft position sensor (g28), wrong allocation
  • 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