John Deere ECU000027.04 – ECU: EGR Sensor Circuit Fault

A fault has been detected in the EGR sensor circuit. This fault is causing the engine power to be limited and is preventing the active exhaust filter cleaning function from operating. Continued operation may lead to a loss of machine availability.

1. 1

   EGR sensor wiring and connections

2. 2

   EGR sensor itself

3. 3

   the affected circuit

1. 1

   Inspect

   Inspect the wiring and connections related to the EGR sensor for damage, corrosion, or loose connections.

2. 2

   Test

   Test the EGR sensor for proper operation using the appropriate diagnostic tools.

3. 3

   Replace

   If the EGR sensor is found to be faulty, replace it with a compatible component.