Urge to Move is the Fuller Advantage feature behind Eaton Fault Code 23, which lets the truck creep forward when the service brake is released without touching the throttle. This single-page section of publication TRTS0980 defines the J1939 conditions for SPN 116 FMI 31, SPN 521 FMI 13 and SPN 520215 FMI 14 when a secondary brake signal is missing or out of date, along with the causes on the brake or vehicle controller. It documents why the feature falls back to inoperative.
Official document details
| Brand | Eaton |
|---|---|
| Model coverage | Fuller Advantage & Fuller Advantage Heavy Duty automated transmission |
| System / Group | DTCs – Fault Isolation Procedures |
| Publication no. | TRTS0980 |
| Year / Revision | 2016 (Rev. 2016.06.20) |
| Pages | 1 |
| File size | 0.0 MB |
| Format | |
| Language | English |
Urge to Move table of contents
- Overview and fault description
- Detection method
- Conditions to set the fault code active
- Fallback and dashboard symptoms
- Conditions to set the fault code inactive
- Possible causes
- Component identification
Applicable truck models covered
This definition covers Eaton Fuller Advantage and Fuller Advantage Heavy Duty automated transmissions configured with the feature, on any chassis OEM. It depends on a primary on/off brake switch and one of two secondary brake messages broadcast over the J1939 data link by the brake or vehicle controller, all OEM determined. Transmission data is published on the manufacturer’s official Eaton transmissions website.
Who needs this Urge to Move manual
Technicians commissioning or repairing the to Move feature rely on this page to confirm which secondary brake message the vehicle broadcasts and whether the J1939 data link is intact before disabling the function. The three FMIs each point at a different missing message, so reading which one is set tells the technician whether to chase the pedal signal, the pressure signal or the vehicle controller.
The complete PDF, published under Eaton document TRTS0980, is available in the DiagTechPro manuals library; a free account is required to download it.
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