Bosch · Temperature
605 Bosch error code 605
Battery temperature fault
Per manufacturer documentation
Note
Bosch classic system (Intuvia/Nyon/Kiox/Purion). Smart System codes differ.
Possible causes
General, component-based causes – not a manufacturer-specific statement.
- Overheating (high load, climb, hot ambient)
- Temperature sensor or cable fault
- Too cold ambient (battery)
Safe test steps
- Does the fault clear after cooling/warming?
- Infrared thermometer on the component.
Workshop reference values
- The permitted temperature limit is manufacturer-specific – use the official value.
Repair approach
- Reduce load, cool down; persistent fault: check sensor/component.
Tools needed
- Infrared thermometer
- Digital multimeter (CAT III, fused inputs)
Safety
- Never bypass a temperature sensor.
This information does not replace manufacturer service documentation. Work on batteries and high-voltage parts only with the appropriate expertise.
Related fault codes
540Temperature error (outside permitted range)410One or more on-board computer buttons are blocked414Connection problem with the control unit418One or more buttons are permanently pressed419Configuration error422Connection problem with the drive unit423Connection problem with the battery424Communication error between components