Will the third time be the attraction for Chevy’s diagnostic software program? After a number of software program updates, GM Authority is reporting one more recall centered on particular Chevrolet Bolt EV and EUV mannequin years.
Whereas it’s at the moment unknown what number of vehicles shall be impacted, the recall bulletin solely includes particular 2020-2022 MY autos during which the diagnostic software program was “incorrectly put in” beforehand. As GM Authority studies, sellers are instructed to reprogram the “Hybrid Powertrain Management Module 2, Battery Vitality Management Module, and the Physique Management module.” The correction is predicted to require a roughly 1-hour service go to.
Chevy Bolt Battery Fires Recall
For the uninitiated, the Bolt EV recall was to cut back the danger of fireside because of “the simultaneous presence of two uncommon manufacturing defects in the identical battery cell as the basis reason behind battery fires in sure Chevrolet Bolt EVs.” These fires would sometimes happen whereas the car was charging. It was most typical in autos that totally discharged and recharged the pack frequently. All 2017–2019 mannequin 12 months Chevy Bolt EVs obtained a alternative, increased capability battery pack on account of the recall. Homeowners of 2020–2022 mannequin 12 months EVs and EUVs obtained a software program replace to repeatedly monitor the excessive voltage battery pack for irregularities.
For some house owners, this might presumably be the third time receiving the same diagnostic software program replace.
The preliminary recall that rolled out in 2020 concerned the set up of monitoring software program meant to supply early detection of faulty battery cells. However this was confirmed to be less-than-effective after two further autos caught hearth following the “repair”.
At first Bolt EVs and EUVs from the 2020 mannequin 12 months and later weren’t part of the recall. All battery-related fires have been attributed to packs assembled by LG Chem in South Korea between 2016 and 2019. Chevrolet claimed that any automobile constructed after LG moved cell manufacturing to america midway via the 2019 mannequin 12 months was not faulty.
However that each one modified after a 2020 Bolt caught hearth whereas charging in California. GM expanded the recall in August of 2021 to incorporate all 140,000 items delivered. Homeowners of 2020+ mannequin years have been then given the identical battery monitoring software program and inspired to park their car exterior and keep away from deep discharges.
A cease sale was issued on all autos till a closing treatment was developed later that 12 months and gross sales resumed in early 2022. This closing treatment was a second spherical of diagnostic software program that briefly restricted the automobile to 80% cost and would monitor the pack for abnormalities. After a number of thousand miles of protected driving, the automobile would return to regular cost settings. Up to now this software program has been profitable and no latest fires have been reported.
Of the roughly 240,000 Bolt EVs and EUVs on the highway, lower than 2 dozen fires have been reported and attributed to defective cells. Most of those got here from the 2019 mannequin 12 months with a handful occurring in 2017, 2018 and 2020 examples.
Each proprietor impacted by this newest recall ought to obtain discover from GM within the coming weeks. They’ll additionally go to my.gm.com/recollects to see if their car is included.