The Engine Control Module (ECM) detects the following conditions:
•The ECM is not receiving information about the ambient air temperature from the SAE J1587 data link.
Probable Causes:
1) ECM Connection/Harness
2) Truck batteries
3) Wiring between batteries & ECM
4) Fuses
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 171 FMI: 4 Ambient Air Temperature voltage low
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 171 FMI: 3 Ambient Air Temperature voltage high
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 166 FMI: 11 Rated Engine Power Derate
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 84 FMI: 14 Quick Stop Occurrence
CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 52 FMI: 11 Air Inlet Shutoff Shutdown
CAT 3406E (Prefix 5DS or 1LW) Fault Code: 74 PID: 5 SPN: FMI: 11 Cylinder #5 Injector current fault
