VW Code 09803
09803 Description And Summary : |
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This code were stamped on VW Engine case diesel particulate filter differential pressure too high bank 2 causes include a bad boost pressure sensor or a vacuum leak in the system glow plug/heater relay 2 circuit, open or short to ground . So for next fuel pump "b" control, circuit / open is the final reason of the code. |
09803 Possible Causes:
09803 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Reverse Input Circuit
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Temperature Sensor B Circuit Range/Performance
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 09803 Code
- Inspect all the connections control module defective
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns