Jonathan Gitlin
Volkswagen is the latest OEM to issue a recall of some electric vehicles. This time the issue applies to VW’s EV crossover, the MY2021 ID.4. The problem has to do with the battery management control module and the pulse inverter control module. This version of the battery management control unit software is too sensitive and can reset in some circumstances, and in rare cases can disable the pulse inverter control module in the event of software failure.
Volkswagen first noticed the problem in July 2021 when reports began coming in of potential issues with its high-voltage battery management software. By September 2021, VW concluded there was no undue risk to drivers, but continued to investigate the matter. By January 2022, VW’s supplier said it also had problems with its pulse inverter software.
Last summer, VW surveyed a feedback survey from ID.4 owners and found that “several reports from the US market indicated that battery management software issues may have led to claims stalling. I discovered that
Resetting the module while driving won’t cause you to lose steering, brakes, or lose control of your car, but in late January, VW announced that from May 26th to January 20th, 2020, We have decided to initiate a recall of the 20,904 ID.4s manufactured. , 2022. Newer vehicles use newer software versions and are not affected.
The fix is new software for both the high voltage battery management control unit and the pulse inverter control unit. The ID.4 gets over-the-air software updates (the latest adds charger routing functionality and ‘auto-hold’ to the navigation system so drivers have to hold the brake down when stopping). there is not). Repairs are carried out at the dealer. The owner of the ID.4 said at the end of March he will be contacted by his VW dealer about the work schedule.
