Buick Enclave 2018–2021 — technical service bulletin

Bulletin PIT5745B · NHTSA communication 10190426 · issued Mar 25, 2021

Technical service bulletin

communication type

Electrical System

component

2018–2021

model years

vehicle entries

Official summary

This Preliminary information communicates and issue with the memory seat module waking up the low speed GM lan bus and causing a battery draw.

Vehicles covered

2018 Buick Enclave
2019 Buick Enclave
2020 Buick Enclave
2020 Buick Encore
2021 Buick Encore
2020 Buick Encore GX
2021 Buick Encore GX
2018 Buick Envision
2019 Buick Envision
2020 Buick Envision
2018 Buick Lacrosse
2019 Buick Lacrosse
2020 Buick Lacrosse
2018 Cadillac Ats
2019 Cadillac Ats
2018 Cadillac CT6
2019 Cadillac CT6
2020 Cadillac CT6
2018 Cadillac CTS
2019 Cadillac CTS
2018 Cadillac Escalade Esv
2019 Cadillac Escalade Esv
2020 Cadillac Escalade Esv
2019 Cadillac XT4
2020 Cadillac XT4
2018 Cadillac XT5
2019 Cadillac XT5
2020 Cadillac XT5
2020 Cadillac XT6
2018 Cadillac XTS
2019 Cadillac XTS
2019 Chevrolet Blazer
2020 Chevrolet Blazer
2018 Chevrolet Camaro
2019 Chevrolet Camaro
2020 Chevrolet Camaro
2018 Chevrolet Corvette
2019 Chevrolet Corvette
2018 Chevrolet Equinox
2019 Chevrolet Equinox
2020 Chevrolet Equinox
2018 Chevrolet Impala
2019 Chevrolet Impala
2020 Chevrolet Impala
2018 Chevrolet Malibu
2019 Chevrolet Malibu
2020 Chevrolet Malibu
2018 Chevrolet Silverado 1500
2019 Chevrolet Silverado 1500
2020 Chevrolet Silverado 2500
2018 Chevrolet Suburban
2019 Chevrolet Suburban
2020 Chevrolet Suburban
2018 Chevrolet Tahoe
2019 Chevrolet Tahoe
2020 Chevrolet Tahoe
2018 Chevrolet Traverse
2019 Chevrolet Traverse
2020 Chevrolet Traverse
2020 Chevrolet Trax

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.