Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 3374 PID: SPN: 1818 FMI: 31 Roll Over Protection Brake Control Active- Condition Exists

Circuit Description
Certain anti-lock braking (ABS) controllers communicate with the engine control module (ECM) through the SAE J1939 data link. Under certain driving conditions, the anti-lock braking (ABS) controller can send a cruise control inhibit message to the ECM and cruise control will temporarily be disabled.

Component Location
The SAE J1939 data link wiring and the SAE J1939 devices vary by OEM options.

Conditions for Running the Diagnostics
This diagnostic runs continuously when the keyswitch is in the ON position or when the engine is running.

Conditions for Setting the Fault Codes
The anti-lock bracking (ABS) controller detected certain driving conditions and inhibited cruise control.

Action Taken When the Fault Code is Active
The ECM logs the fault code immediately when the diagnostic runs and fails.
Cruise control has temporarily been inhibited.
Conditions for Clearing the Fault Code
To validate the repair, perform a key cycle, start the engine and let it idle for 1 minute.
The fault code status displayed by INSITE™ electronic service tool will change to INACTIVE immediately after the diagnostic runs and passes.
The Reset All Faults command in INSITE™ electronic service tool can be used to clear active and inactive faults, as well as extinguish the MIL for OBD applications.

Shop Talk
When this fault code is active, cruise control could possibly not function. This is an information only fault code, indicating that the anti-lock braking (ABS) controller detected certain driving conditions and temporarily inhibited cruise control operation. Refer to the OEM service manual.

Possible Cause:
1) ECM calibration