Issue Description:
This fault code indicates a short circuit to a high source in the DEF dosing valve low side.
Preparations:
AGCO EDT Electronic Diagnostic Tool
Diagnosis & Solution:
- Clear the error log.
- Restart the engine module.
If the fault reappears during the next driving cycle, proceed with the following checks:
- Inspect the DEF dosing valve harness.
- Ensure all connections are secure.
- Check that the contacts are clean and free of corrosion.
- Replace the DEF dosing valve if:
- The system wiring and connections are in good condition.
- The fault code remains active.
- This indicates the original DEF dosing valve is faulty.
By following these steps, you can diagnose and resolve the issue effectively.
