Cummins X15 CM2450 X124B (2018 & Newer) Fault Code: 6575 PID: SPN: 7317 FMI: 9 Predictive Cruise Control State- Abnormal Update Rate

Circuit Description
The predictive cruise control system sends commands to the ECM via the vehicle J1939 network. Predictive Cruise Control dynamically adjust the vehicle speed profile while the vehicle is operating in cruise control. The vehicle speed profile is optimized for fuel economy based on the upcoming road grade.

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 Engine Control Module (ECM) did not receive a message from a multiplexed device.

Action Taken When the Fault Code is Active
The ECM logs the fault code immediately when the diagnostic runs and fails.
The predictive cruise control will not operate.
Conditions for Clearing the Fault Code
To validate the repair, perform a key cycle, start the engine and let it idle for 2 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
For troubleshooting information on this fault code refer to the OEM service manual.

Possible Cause:
1) ECM calibration