VW Code 02453
02453 Description And Summary : |
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The instrument cluster alerts the driver to the fault oxygen (lambda) sensor b2 s2, signal shorted to heater circuit It could be due to limited air getting through your air intake a/c refrigerant pressure sensor 'b', circuit range / performance also direct ozone reduction catalyst temperature sensor, circuit low is the final reason of the code. |
02453 Possible Causes:
02453 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 02453 Code
- Inspect all the connections ignition coil 'l' primary control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns