Eaton Gen 1 (AutoShift) Fault Code: 74 PID: SID 54 FMI: 7 Failed To Sync Initial Engagement
Overview:
This code indicates the system was unable to bring input shaft to a stop using the interia brake.
Detection:
The System Manager monitors engine rpm before initial gear engagement. If the inertia brake is commanded on and the engine rpm does not drop below the acceptable limit this code will be set.
Fallback
There is no fallback mode for this fault.
Required Tools:
1) Basic Hand Tools
2) Hand-Held Diagnostic Tool
3) 0-100 PSI Air Pressure Gauges
4) AutoSelect/AutoShift Troubleshooting Guide
Possible Causes:
1) Low air pressure
2) Contaminated air supply
3) Clutch out of adjustment
4) Damaged input shaft brake
5) Malfunctioning inertia brake
6) Damaged internal transmission gearing
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