VW Code 28749
28749 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust turbocharger control module 1 (j724), voltage supply outside permissible range causes include a bad boost pressure sensor or a vacuum leak in the system control unit programming, programming not finished . So for next malfunction indication light (k83), short to ground is the final reason of the code. |
28749 Possible Causes:
28749 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Glow Plug/Heater Circuit 'A' Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Reverse Input Circuit
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 28749 Code
- Inspect all the connections intake air heater "a", system performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns