7 Hitachi diagnostic codes on file — with the full diagnosis, repair steps, and field insights open to read free, no signup required.
Disclaimer: General reference information for trained, qualified technicians only. Codes and procedures vary by model, serial number and software version. Always follow the manufacturer's service manual and your site's safety procedures. Use at your own risk. Not affiliated with or endorsed by any manufacturer.
| Code | System | Symptom | Full fix |
|---|---|---|---|
| 11200-3 | Hydraulics (Pump 1) | Hydraulic Lag / Slow Lift. | View fix |
| 11301-3 | Hydraulics | Slow Boom Lift / HP Mode Dead | View fix |
| 11302-4 | Hydraulics | Bucket Curl Slow / Power Slump | View fix |
| 11303-3 | Hydraulics | Arm In / Roll Function Slow | View fix |
| 11304-3 | Hydraulics | Bucket Dump Function Sluggish | View fix |
| 11401-2 | Hydraulics (Torque) | Engine Bogging / No Torque. | View fix |
| 11901-3 | Hydraulics (Temp) | Limp Mode / Overheating. | View fix |
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