The Engine Control Module (ECM) detects incorrect engine software .
Probable Causes:
1) New ECM on vehicle, needs to be programmed
2) Current ECM programmed incorrectly
3) ECM Connection/harness
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 59 PID: SPN: 252 FMI: 11 Engine Software Incorrect
Posted by Diezel Solutions on