Cadillac Escalade 2018–2020 — technical service bulletin
Bulletin 20NA115 · NHTSA communication 10178970 · issued Jul 16, 2020
Technical service bulletin
communication type
Equipment
component
2018–2020
model years
18
vehicle entries
Official summary
This technical bulletin provides a procedure to replace the radio amplifier antenna if there is a condition of Poor Remote Keyless Entry (RKE) Fob or Passive Unlocking Range due to a internal concerns within the antenna.
Vehicles covered
- 2018 Cadillac Escalade
- 2019 Cadillac Escalade
- 2020 Cadillac Escalade
- 2018 Cadillac Escalade Esv
- 2019 Cadillac Escalade Esv
- 2020 Cadillac Escalade Esv
- 2018 Chevrolet Suburban
- 2019 Chevrolet Suburban
- 2020 Chevrolet Suburban
- 2018 Chevrolet Tahoe
- 2019 Chevrolet Tahoe
- 2020 Chevrolet Tahoe
- 2018 GMC Yukon
- 2019 GMC Yukon
- 2020 GMC Yukon
- 2018 GMC Yukon XL
- 2019 GMC Yukon XL
- 2020 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.