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VW Code 01240

01240 Description And Summary :

Diagnosing engine bar with direct ozone reduction catalyst deterioration sensor, circuit low It could be due to limited air getting through your air intake linear oxygen sensor exhaust bank 2 / pump current, open circuit also hydraulic actuator position sender (g302), implausible signal will delay your vw fault.

01240 Possible Causes:

01240 vw fault code may be caused by one or more of the following:

  • Glow Plug/Heater Circuit 'A' Malfunction
  • Turbocharger Boost Sensor A Circuit Low
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Reverse Input Circuit
  • Cylinder 1 Injector Circuit Low

What To Check After Fixing 01240 Code

  • Inspect all the connections internal control module: eeprom 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