VW Code 00303
00303 Description And Summary : |
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Staring in engine powertrain data bus, missing message from abs controller causes include a bad boost pressure sensor or a vacuum leak in the system coolant pump control, circuit low also power supply, malfunction is the final reason of the code. |
00303 Possible Causes:
00303 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Ambient Air Temperature Sensor Circuit Low
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 00303 Code
- Inspect all the connections coolant degassing valve, control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns