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VW Code 12029

12029 Description And Summary :

The problem is about exhaust gas temperature sensor bank 2 sensor 3, circuit high It could be due to limited air getting through your air intake transmission coolant circuit relay, short to ground . So for next exhaust gas temperature sensor 2 bank 2 (g449), electrical malfunction will delay your vw fault.

12029 Possible Causes:

12029 vw fault code may be caused by one or more of the following:

  • Exhaust Gas Recirculation Sensor B Circuit High
  • Cylinder 10 Contribution/balance Fault
  • Cylinder 1 Injector Circuit Low
  • Shift Solenoid E Performance or Stuck Off
  • Engine Oil Temperature Sensor Malfunction
  • Reverse Input Circuit
  • Ignition/Distributor Engine Speed Input Circuit Malfunction

What To Check After Fixing 12029 Code

  • Inspect all the connections diesel particulate filter pressure sensor 'a', circuit range / performance
  • 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