CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 224 FMI: 14 Theft Deterrent Active with Engine Cranking

Posted by PerDiezel Solutions on January 13, 2026

The Engine Control Module (ECM) detects the following conditions:

•The engine is cranking.
•The theft deterrent is active.

The diagnostic code is active only. The diagnostic code will be active when the theft deterrent is enabled and the engine is cranking for more than five seconds. The engine will not start until the correct password is entered.

CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 224 FMI: 11 Theft Deterrent Active

CAT 3406E (Prefix 1MM or 2WS) Fault Code: 00 PID: SPN: 171 FMI: 11 Ambient Air Temperature Data Lost

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

WARNING!