4 Caterpillar Electric diagnostic codes on file. Each shows the symptom for free — unlock the full diagnosis, repair steps, and field insights with a free account.
Find a Caterpillar Electric code by searching below, or browse the table. Codes on file by system:
| Code | System | Symptom | Fix |
|---|---|---|---|
| SPN 520810 FMI 01 | High Voltage / Safety | High-Voltage System Disabled / Warning Siren | Unlock |
| SPN 520860 FMI 02 | BMS / Battery | Available Torque Drops 50% / Turtle Mode | Unlock |
| SPN 520910 FMI 02 | DC/DC Converter | 12V Battery Drains Flat During Operation | Unlock |
| SPN 520970 FMI 03 | Pressure / Battery | Immediate HV Disconnect / Audible Siren | Unlock |
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