CAT 3406E (Prefix 1MM or 2WS) Fault Code: 58 PID: SPN: 231 FMI: 12 J1939 Device Not Responding
The Engine Control Module (ECM) detects the following conditions:
•The ECM is unsuccessful in receiving a message from a J1939 source.
•The ECM is not receiving a valid message from a J1939 source.
Probable Causes:
1) ECM Connection/Harness
2) An ECM on the vehicle has failed or is sending improper data (Can be for anything – Cab, ABS, etc…)
