2 Eaton UltraShift PLUS diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.
| Code | System | Symptom | Fix |
|---|---|---|---|
| Fault Code 35 / SPN 520235 | Power Supply | Flashing "F" on Gear Display / No Crank | Unlock |
| Fault Code 72 / SPN 520230 | Inertia Brake | Hard Grinding into 1st / Slow Initial Shift | Unlock |
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