JCB P3402-87: Concentration Too High for Aftertreatment 1 SCR Catalyst DEF Properties

The system has detected that the concentration of the aftertreatment 1 SCR catalyst DEF properties is too high, which may affect the proper functioning of the emissions control system.

1. 1

   The DEF properties being used

2. 2

   The concentration levels of the aftertreatment 1 SCR catalyst

1. 1

   Verify

   Verify the concentration levels of the aftertreatment 1 SCR catalyst DEF properties using the appropriate testing equipment.

2. 2

   Replace

   If the concentration is confirmed to be too high, replace the DEF with a product that meets the required specifications.

3. 3

   Reset

   After replacing the DEF, reset the fault code and monitor the system to ensure the issue is resolved.