Eaton Fuller Advantage (2017) Fault Code: 19 PID: SID 248 SPN: FMI: 9 CAN ECA Message: Abnormal Update Rate
Overview:
The High Integrity Link (HIL) is a Controller Area Network (CAN) high-speed proprietary data link that communicates data between the Transmission Electronic Control Unit (TECU), Electronic Clutch Actuator (ECA), and if equipped, Eaton Push Button Shift Control (PBSC). The portion of the HIL that connects the TECU to the ECA is contained within the Transmission Harness. The portion of the HIL that connects the TECU to the PBSC is contained within the Vehicle Harness. Fault Code 19 indicates a loss of communication between the TECU and ECA.
Detection:
The TECU monitors communication with the ECA over the HIL. If the TECU loses communication with the ECA, Fault Code 19 sets Active.
Conditions to Set Fault Code Active:
FMI 9 – Abnormal Update Rate: TECU loses communication with the ECA for 2 seconds or longer.
Fallback:
FMI 9
• “F” flashes in gear display.
• Service light flashes (if equipped).
• Engine cranks and starts.
• Transmission may not engage a gear from neutral.
• ECA may maintain the current clutch position using the clutch holding device.
• ECA may move the clutch to the last position commanded by the TECU.
Conditions to Set Fault Code Inactive:
FMI 9: TECU establishes communication with the ECA for 4 seconds.
Possible Causes:
FMI 9
1) Vehicle Power and Ground Supply to ECA
– Poor power or ground supply
– Bent, spread, corroded or loose terminals
– Wiring shorted to ground, shorted to power or open
– Seal failure on 3-Way ECA Connector
– Disconnected 3-Way ECA Connector
2) Vehicle Batteries
– Internal failure
3) Transmission Harness
– Wiring shorted to ground, shorted to power or open
– Bent, spread, corroded or loose terminals
– Seal failure in 8-Way ECA Connector
– Loss of ignition voltage to ECA before power up
4) ECA
– Failed ECA software download
– Bent, spread, corroded or loose terminals
– Contamination in 3-Way ECA Connector
– Contamination in 8-Way ECA Connector
– Internal failure
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