VOLVO
IGM-B201019 - Electric Machine. General Electrical Failures. Circuit current above threshold
System
Ukjent system / Merkespesifikk
Volvo-modeller feilkoden gjelder for
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1 modellV60 (2011–)
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Hva betyr feilkoden?
The high voltage generator control module (IGM) supervises the voltage and current feed to the starter generator ISG. The code concerns a current that is too high in that supply. The fault is only checked while the combustion engine is running.
Mulige årsaker
- Oxidation, contact resistance or loose contacts at the connections between the ISG and the ISC
- A short circuit from the high voltage cable to ground
- Break in the high voltage cable
- Wiring between the ISG and the ISC is damaged
- Internal fault inside the ISG starter generator
- Internal fault inside the ISC voltage converter
Hva du kan gjøre
- 1Read out and note the code, clear it and see whether it returns on the next drive
- 2Have a workshop check the high voltage cable and the wiring between the ISG and the ISC
- 3If the fault remains, have a workshop check the starter generator ISG and the ISC voltage converter
- 4The high voltage system may only be handled by a workshop; do not work on it yourself
Symptomer du kan merke5
- Warning symbol and text message in the display
- Warning about power supply problems from the alternator and charge regulator
- Charging of the high voltage battery while driving is absent, reduced or not working correctly
- High voltage battery is discharged or charges poorly
- HYBRID drive mode: the combustion engine is active all the time or too often
Hva feilen kan påvirke1
- The high voltage battery cannot be charged by the combustion engine
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