CAT 3406E (Prefix 5DS or 1LW) Fault Code: 58 PID: 249 SPN: FMI: 11 J1922 Data Link Fault

This condition indicates that the SAE J1922 data link is not communicating correctly.

Probable Causes:

1) ECM Connection/Harness
2) Another device on the J1939 is causing problems (ABS, VORAD, Cab controller, etc...)
3) Wiring from data link connector to ECM

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