VW Code 28902
28902 Description And Summary : |
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The instrument cluster alerts the driver to the fault throttle/pedal position sensor 'c', minimum stop performance causes include a bad boost pressure sensor or a vacuum leak in the system turbocharger / supercharger boost pressure not detected - mechanical you can see the secondary air injection valve 4 (n385), circuit short to ground is the final reason of the code. |
28902 Possible Causes:
28902 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Engine Shutoff Solenoid Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Reverse Input Circuit
What To Check After Fixing 28902 Code
- Inspect all the connections transmission control unit relay, short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns