VOLVO
BECM-C105416 - Hydrid/EV Battery Temperature Sensor "J" Circiut Range/Performance. General Electrical Failures. Circuit voltage below threshold
System
Batteristyring (BECM)
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1 modellV60 (2011–)
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Hva betyr feilkoden?
The battery energy control module (BECM) has detected too low a voltage in the circuit for temperature sensor J in the high-voltage battery. Although the code describes an electrical fault, the known causes point to the battery cooling system: low coolant, air in the cooling loop, a damaged pump or valve, or a leak.
Mulige årsaker
- Coolant level in the battery cooling loop is too low
- Air in the battery cooling loop
- One of the battery coolant pumps is damaged
- The shut-off valve in the battery cooling is damaged
- The cooling loop is damaged, blocked or leaking
Hva du kan gjøre
- 1Read and note the fault code, clear it and road test to check whether it returns
- 2Check that the coolant level in the battery cooling loop is high enough and top up if needed
- 3Look for leaks in the cooling loop, such as damp patches or traces of coolant under the car
- 4Have a workshop check that visible connectors in the cooling system are secure and free from corrosion
- 5Have a workshop with diagnostic equipment check the sensor, the wiring and the cooling
- 6The high voltage system should only be handled by qualified personnel, so have a workshop carry out all work on the battery and other high voltage parts
Symptomer du kan merke4
- Yellow warning symbol and message in the display
- Drive modes PURE, SAVE and AWD disengage automatically or cannot be selected
- The combustion engine runs more often than normal in HYBRID mode
- Low voltage in the battery or a dead battery
Hva feilen kan påvirke1
- Electric propulsion is not possible
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