Eaton Gen 2 (AutoShift) Fault Code: 73 PID: SID 58 FMI: 7 Failed to Engage Gear
Overview:
Fault Code 73 indicates the transmission is unable to engage the desired gear in the front box during a shift.
Detection:
The transmission detects this fault by attempting the same shifter action 5 times and not sensing the desired position.
Fallback:
This fault causes an in-place fallback.
Possible Causes:
1) Electric Shifter
2) Yoke, Clutch, Main Shaft
3) Gear Select Sensor
4) Shift Block
Shop Talk:
Complete several shifts while the vehicle is in motion, including selections from neutral. Also allow the transmission to complete several automatic
shifts.
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