Eaton Gen 1 (AutoShift) Fault Code: 73 PID: SID 58 FMI: 7 Failed To Engage Gear

Overview:
This code indicates the transmission is unable to engage the desired gear in the front box during a shift.

Detection:
The transmission detects this by attempting the same shifter actions five times and not sensing the desired position.

Fallback:
This causes an In Place fallback.

Required Tools:
1) Basic Hand Tools
2) Digital Volt/Ohm Meter
3) AutoSelect/AutoShift Troubleshooting Guide

Possible Causes:
1) Malfunctioning electric shifter
2) Malfunctioning yoke/clutch/mainshaft
3) Failed shift block
4) Failed or misaligned shift block
5) Electric shifter calibration
6) Failed gear select sensor