CAT 3406E (Prefix 5DS or 1LW) Fault Code: 47 PID: 71 SPN: FMI: 14 PTO Shutdown

Posted by PerDiezel Solutions on January 13, 2026

The ECM detects the following conditions:

•The timer for the PTO has expired and the engine has shut down.

Probable Causes:

1) ECM Connection/Harness
2) PTO timer programmed incorrectly
3) PTO timer operated correctly and shut down as it is programmed to do
4) Check engine light or PTO switch on lamp failure
5) Vehicle speed circuit/sensor
6) PTO switch circuit/sensor

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 47 PID: 71 SPN: FMI: 1 Idle Shutdown

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 46 PID: 100 SPN: FMI: 11 Very Low Oil Pressure

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 46 PID: 100 SPN: FMI: 1 Low Oil Pressure Warning

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 42 PID: 22 SPN: FMI: 13 Engine Speed Signal Calibration Not Performed

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 41 PID: 84 SPN: FMI: 0 Vehicle Overspeed Warning

CAT 3406E (Prefix 5DS or 1LW) Fault Code: 38 PID: 105 SPN: FMI: 4 Intake Manifold Air Temperature voltage low

WARNING!