CAT 3406E (Prefix 5DS or 1LW) Fault Code: 68 PID: 191 SPN: FMI: 7 Transmission Not Responding
The Engine Control Module (ECM) detects the following conditions:
•Three attempts to complete an Eaton Top 2 shift were unsuccessful.
•The “Transmission Style” is programmed to “Eaton Top 2”.
Probable Causes:
1) ECM Connector/harness
2) Shift solenoid failure
3) Shift solenoid relay
4) Wiring between shift solenoid and ECM
5) Gear ratios are programmed incorrectly in the ECM
Categories 3406E (Prefix 5DS or 1LW), CAT, DTC TRUCKS
Tags 191, 1LW, 3406E, 5DS, 68, 7, CAT, Code, Fault, FMI, Not, or, PID, Prefix, Responding, SPN, Transmission