The ECM detects the following conditions:
•The engine coolant temperature is greater than 103 °C (217 °F) for the C-10 or C-12.
•The engine coolant temperature is greater than 108 °C (226 °F) for the 3406E.
•The engine has been running at least 30 seconds.
This is a warning code only, not an actual diagnostic code. A diagnostic code will be set if the issue is serious.
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 59 PID: SPN: 252 FMI: 11 Engine Software Incorrect
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 58 PID: SPN: 249 FMI: 11 J1922 Data Link Fault
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 58 PID: SPN: 231 FMI: 12 J1939 Device Not Responding
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 58 PID: SPN: 231 FMI: 2 J1939 Data Incorrect
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 56 PID: SPN: 253 FMI: 11 Check Transmission Customer Parameters
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 56 PID: SPN: 253 FMI: 2 Check Customer or System Parameters
