Eaton Fuller Advantage (2017) Fault Code: 25 PID: SPN: 629 FMI: 1 No Faults Found: Data Valid But Below Normal

Posted by PerDiezel Solutions on May 11, 2026

Overview:
Fault Code 25 indicates the TECU has determined that all transmission functions are operating normally and the transmission currently has no logged fault codes.

Detection:
Fault Code 25 is a TECU self-check and should be present when no other fault codes have been logged. This condition is normal and means that there are no failed circuits or components. Fault Code 25 will not display when verifying fault codes with ServiceRanger, but may appear when using the key-clicks method to verify fault codes.

Conditions to Set Fault Code Active:
FMI 1 – Data Valid But Below Normal: All systems report no fault codes.

Fallback:
FMI 1
• No fallback mode is associated with this fault.

Conditions to Set Fault Code Inactive:
FMI 1: This fault code is never set Inactive.

Possible Causes:
FMI 1
1) None

Component Identification:
None

Eaton Fuller Advantage (2017) Fault Code: 25 PID: SID 254 SPN: FMI: 1 No Faults Found: Data Valid But Below Normal

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Eaton Fuller Advantage (2017) Fault Code: 23 PID: SPN: 521 FMI: 13 Urge to Move Brake Switch Signal: Out of Calibration

Eaton Fuller Advantage (2017) Fault Code: 23 PID: SPN: 116 FMI: 31 Urge to Move Brake Switch Signal: Condition Exists

Eaton Fuller Advantage (2017) Fault Code: 22 PID: SPN: 563 FMI: 14 ABS CAN Message: Special Instructions

Eaton Fuller Advantage (2017) Fault Code: 22 PID: SPN: 563 FMI: 9 ABS CAN Message: Abnormal Update Rate

WARNING!