5 Heavy Equipment 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 |
|---|---|---|---|
| CA559 | Fuel System | Engine Hunting / Stall | Unlock |
| E202 | Controls | Hydraulics Locked | Unlock |
| MID 128 PID 45 | Preheat | Hard Cold Start | Unlock |
| SPN 608 FMI 9 | Communication | Dash Cluster Dead / No Gauges | Unlock |
| SPN 677 | Electrical | Starter Won't Engage | Unlock |
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