This page explains the Eaton Fault Code 19, CAN ECA Message, from the TRTS0980 fault isolation procedures for the Fuller Advantage Heavy Duty transmission. The code indicates a loss of communication over the High Integrity Link (HIL) between the Transmission Electronic Control Unit (TECU) and the Electronic Clutch Actuator (ECA).
Official document details
| Brand | Eaton |
| Model coverage | Fuller Advantage Heavy Duty automated transmission (DTCs) |
| System / Group | Fuller Advantage Heavy Duty / DTCs |
| Publication no. | TRTS0980 |
| Year / Revision | © 2016 Eaton |
| Pages | 3 |
| File size | 0.8 MB |
| Format | |
| Language | English |
Inside the Eaton Fault Code 19
- Fault Code 19: CAN ECA Message overview
- J1587 MID 130 SID 248 FMI 9 and J1939 SA 3 SPN 520273
- High Integrity Link (HIL) between TECU, ECA and PBSC
- FMI 9 Abnormal Update Rate — 2 seconds or longer
- Possible causes: power/ground, harness, connectors
- Component identification and terminating resistor
The overview explains that the High Integrity Link is a high-speed proprietary CAN data link carrying data between the TECU, the ECA and, if equipped, the Eaton Push Button Shift Control. The TECU-to-ECA portion runs inside the Transmission Harness while the TECU-to-PBSC portion runs inside the Vehicle Harness. Under FMI 9, Abnormal Update Rate, the code sets active when communication is lost for two seconds or longer, and clears once communication is re-established for four seconds. The fallback list notes the engine still cranks and starts but the transmission may not engage a gear from neutral. Possible causes span vehicle power and ground supply, the batteries, the transmission harness and the ECA, with two component-identification illustrations calling out every connector and the terminating resistor.
Applicable truck models
It applies to Fuller Advantage transmissions where the HIL is carried through the Transmission Harness (TECU to ECA) and the Vehicle Harness (TECU to Push Button Shift Control). The document lists the 38-way connector, 8-way and 3-way ECA connectors, and the 2-way terminating resistor. Verify coverage against your VIN and build sheet on the Eaton Vehicle Group site.
Who needs the Eaton Fault Code 19
Technicians chasing an intermittent clutch or a gear that will not engage from neutral use this reference to inspect the ECA power and ground supply, the 3-way and 8-way ECA connectors and the transmission harness before condemning the ECA.
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