CAT 3406E (Prefix 1MM or 2WS) Fault Code: 16 PID: SPN: 173 FMI: 11 Very High Exhaust Gas Temperature Derate
This code indicates that the engine has been derated in order to prevent excessive exhaust temperatures. The engine will only be derated to a level that will allow the exhaust temperature to be lowered to an acceptable level. This code will be logged once the engine has been derated by more than 4%. This is not a code, but an event being logged . Talk to the driver to see if the engine was running under heavy loads or climbing steep hills.
![download Hitachi Construction Machinery MPDr Ver 3.7.0.0 [10.2020] Diagnostic Software](https://i0.wp.com/www.ecuforcetruck.com/wp-content/uploads/2023/05/MPDR-3.7.00.png?resize=300%2C300&ssl=1)
![download Hitachi Construction Machinery MPDr Ver 3.7.0.0 [10.2020] Diagnostic Software](https://www.ecuforcetruck.com/wp-content/uploads/2023/05/MPDR.png)
![JOHN DEERE PARTS ADVISOR & HITACHI 2.24.2 [2023.07] - ECUFORCETRUCK EPC](https://i0.wp.com/www.ecuforcetruck.com/wp-content/uploads/2023/09/1.png?resize=300%2C300&ssl=1)
![JOHN DEERE PARTS ADVISOR & HITACHI 2.24.2 [2023.07] - ECUFORCETRUCK EPC](https://www.ecuforcetruck.com/wp-content/uploads/2023/09/2.png)
