The theft deterrent feature has been enabled. The correct password must be entered in order to disable the theft deterrent. Then, the engine can be started. Note: This diagnostic code represents an event. This diagnostic code does not represent an electronic system fault. The Engine Control Module (ECM) will operate in the “Secure Idle” mode if the theft deterrent password is entered. The engine must be running in order to operate in the “Secure Idle” mode. The ECM will be in the “Secure Idle” mode until the theft deterrent password is entered again. CAT 3406E (Prefix 1MM or 2WS) Fault...

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:...

The Engine Control Module (ECM) detects the following conditions: •The status of the service brake pedal position switch 1 and the service brake pedal position switch 2 do not match for at least 15 seconds.•The engine is running.•The ECM has been powered for at least three seconds. Note: The “Transmission Style” parameter must be programmed to Automatic Option 2 or Automatic Option 3. System Response: This diagnostic code will prevent cruise control, PTO operation, or idle operation. The engine will disengage or the engine will not allow the setting of the Cruise Control, the PTO, or the Idle speed. Probable...

The Engine Control Module (ECM) detects the following conditions: •The status of the service brake pedal position switch 1 and the service brake pedal position switch 2 do not match for at least 15 seconds.•The engine is running.•The ECM has been powered for at least three seconds. Note: The “Transmission Style” parameter must be programmed to Automatic Option 2 or Automatic Option 3. System Response: This diagnostic code will prevent cruise control, PTO operation, or idle operation. The engine will disengage or the engine will not allow the setting of the Cruise Control, the PTO, or the Idle speed. Probable...

This code indicates that the engine was shutdown due to an engine overspeed condition. Probable Failures: 1) Talk to the driver.2) If no driver error, issue may be in the Air Inlet Shutoff Circuit3) Test air inlet shutoff switch & wiring4) Transmission nuetral switch/wiring5) Air shut off valve solenoid6) Air inlet shutoff relay7) ECM Failure CAT 3406E (Prefix 5DS or 1LW) Fault Code: 74 PID: 5 SPN: FMI: 11 Cylinder #5 Injector current fault CAT 3406E (Prefix 5DS or 1LW) Fault Code: 73 PID: 4 SPN: FMI: 11 Cylinder #4 Injector current fault CAT 3406E (Prefix 5DS or 1LW) Fault...