Cadillac Escalade 2019–2020 — technical service bulletin

Bulletin 20NA055 · NHTSA communication 10178263 · issued Jun 10, 2020

Technical service bulletin

communication type

Electrical System

component

2019–2020

model years

vehicle entries

Official summary

This technical bulletin provides a procedure to program the ECM to correct the customers concern.

Vehicles covered

2019 Cadillac Escalade
2019 Cadillac Escalade Esv
2020 Chevrolet Express
2019 Chevrolet Silverado 1500
2019 Chevrolet Silverado 2500
2019 Chevrolet Silverado 4500
2019 Chevrolet Suburban
2019 Chevrolet Tahoe
2020 GMC Savana
2019 GMC Sierra 1500
2019 GMC Sierra Denali
2019 GMC Yukon
2019 GMC Yukon XL

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.