John Deere ECU004766.15 – ECU: Unexpected Temperature in Exhaust Filter Catalyst

An unexpected temperature has been detected in the Exhaust Filter catalyst, which is causing the Active Exhaust Filter cleaning function to become unavailable. Continued operation of the machine may lead to a loss of machine availability.

1. 1

   Exhaust Filter catalyst temperature sensor

2. 2

   Exhaust Filter catalyst itself

3. 3

   the affected circuit

1. 1

   Inspect

   Inspect the Exhaust Filter catalyst temperature sensor for damage or improper installation.

2. 2

   Test

   Test the functionality of the Exhaust Filter catalyst temperature sensor using the appropriate diagnostic tools.

3. 3

   Replace

   If the Exhaust Filter catalyst temperature sensor is faulty, replace it with a compatible component.

4. 4

   Verify

   After repairs, verify that the Active Exhaust Filter cleaning function is restored and that the temperature readings are within normal ranges.