DTC ›
BMU6
| Code | Heading | Variants |
|---|---|---|
| 0312 | Battery water valve is overloaded. | — |
| 0313 | Coolant valve short circuit to 24V | — |
| 0314 | Cooling system self-test failed - check functionality of heater, battery in/outlet temperature sensors and valve | — |
| 0315 | Battery coolant valve disconnected. | — |
| 0316 | DCC wrong behavor | — |
| 0317 | Coolant pump 4 wrong behavior | — |
| 0319 | Battery pack interlook loop fault | — |
| 0320 | DC-link discharge failure | — |
| 0321 | BDU Relay wear out high | — |
| 0323 | Coolant level sensor low water level, circuit 1 (depending on installation often colt circuit, battery) | — |
| 0324 | Coolant level sensor RES sensor fault | — |
| 0325 | Coolant level sensor low water level, circuit 2 (depending on installation often hot circuit, inverter, first electronics) | — |
| 0326 | Coolant level sensor MGS sensor fault | — |
| 032F | Unvalid combination of BMU SW and battery platform HW | — |
| 0330 | DCC internal HW error | — |
| 0331 | DCC overvoltage on VCB-side | — |
| 0332 | DCC2 not charging 24V battery | — |
| 0333 | DCC overvoltage on VCA-side | — |
| 0334 | DCC short circuit on VCA-side | — |
| 0335 | DCC over temperature | — |
| 0336 | DCC shifted polarity on VCA side | — |
| 0337 | Coolant heater temperature sensor short circuit to ground | — |
| 0338 | Coolant heater temperature sensor open circuit or short circuit to 24V | — |
| 0339 | Battery coolant inlet temperature sensor short circuit to ground | — |
| 033A | Coolant inlet temperature sensor open circuit or short circuit to 24V | — |
| 033B | DCC low VCB voltage | — |
| 033C | Heater contactor output not connected (open load). | — |
| 033D | Coolant heater contactor supply short circuit to ground | — |
| 033E | Coolant heater contactor supply short circuit to 24V | — |
| 033F | IBU unvalidated serial number | — |
| 0340 | Isolation error on DC-link positive side | — |
| 0341 | Isolation error on DC-link negative side | — |
| 0342 | IBU relay wear high set due to an unexpected IBU reset or loss of supply. | — |
| 0344 | BMU default or faulty parameterized | — |
| 0346 | Cooling fan 1 speed control output overload. | — |
| 0347 | Extremly high cooling/heating circuit temperature. | — |
| 0348 | Battery cooling circuit reached emergency stop limits. | — |
| 0349 | Cooling fan 1 speed control short circuit to 24V. | — |
| 034A | Cooling fan MGS speed control short circuit to 24V. | — |
| 034B | Cooling fan 2 speed control output overload. | — |
| 0350 | The service switch pin has short circuit to ground | — |
| 0351 | Open-load detected on the hybrid control switch present pin | — |
| 0352 | There is a short circuit to ground on the hybrid control switch present pin | — |
| 0353 | Battery current higher than limit or outside allowed range. | — |
| 0354 | Battery critical inputs missing. | — |
| 0356 | CAN Timeout from CMC01 | — |
| 0357 | CAN Timeout from CMC02 | — |
| 0358 | CAN Timeout from CMC03 | — |
| 0359 | CAN Timeout from CMC04 | — |
| 035A | CAN Timeout from CMC05 | — |