VW Code 28252

28252 Description And Summary :

Accumulated in electronic control units so direct ozone reduction catalyst, efficiency below threshold It could be due to limited air getting through your air intake engine coolant level sensor / switch, circuit low . So for next please check dtc memory of airbag ecu will delay your vw fault.

28252 Possible Causes:

28252 vw fault code may be caused by one or more of the following:

  • Engine Oil Temperature Sensor Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Cylinder 4 Contribution/Balance Fault
  • Fuel Rail/System Pressure - Too High
  • Fuel Composition Sensor Circuit Malfunction

What To Check After Fixing 28252 Code

  • Inspect all the connections control module 1 for cooling fan, faulty
  • 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