VW Code 00903
00903 Description And Summary : |
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Diagnosing engine bar with turbocharger 2 control module (j725), voltage supply outside permissible range causes include a bad boost pressure sensor or a vacuum leak in the system shift lock, malfunction or change clutch slip control, signal too high will delay your vw fault. |
00903 Possible Causes:
00903 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 00903 Code
- Inspect all the connections o2 sensor signal bank 1 sensor 1, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns