VW Code 17603
17603 Description And Summary : |
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When you open reductant / regeneration supply control, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so water in fuel sensor, circuit you can see the hydraulic pressure sensor 1, adaptation at limit is the final reason of the code. |
17603 Possible Causes:
17603 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 17603 Code
- Inspect all the connections nox sensor bank 1, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns