# Service bulletin PIP5621E

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11011420
- Published by NHTSA: 2024\-12\-05
- Manufacturer's number: PIP5621E
- Manufacturer's date: 2024\-10\-04
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

This Preliminary information communicates to the dealer technician that TAC recommends the utilization of the GDS2 software to aid in diagnosing automatic transmission concerns. TAC is requesting the GDS2 session logs be sent in before the dealer contacts TAC.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011420-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11011420-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2016 to 2019 BUICK CASCADA
- 2015 to 2022 BUICK ENCLAVE
- 2015 to 2022 BUICK ENCORE
- 2016 to 2022 BUICK ENVISION
- 2015 to 2019 BUICK LACROSSE
- 2015 to 2020 BUICK REGAL
- 2015 to 2017 BUICK VERANO
- 2015 to 2019 CADILLAC ATS
- 2020 to 2022 CADILLAC CT4
- 2020 to 2022 CADILLAC CT5
- 2016 to 2020 CADILLAC CT6
- 2015 to 2019 CADILLAC CTS
- 2015 to 2016 CADILLAC ELR
- 2015 to 2022 CADILLAC ESCALADE
- 2016 CADILLAC ESCALADE ESV
- 2018 to 2019 CADILLAC ESCALADE ESV
- 2015 to 2016 CADILLAC SRX
- 2019 to 2022 CADILLAC XT4
- 2017 to 2022 CADILLAC XT5
- 2020 to 2022 CADILLAC XT6
- 2015 to 2019 CADILLAC XTS
- 2019 to 2022 CHEVROLET BLAZER
- 2017 to 2022 CHEVROLET BOLT EV
- 2015 to 2022 CHEVROLET CAMARO
- 2015 CHEVROLET CAPRICE
- 2015 CHEVROLET CAPTIVA
- 2017 CHEVROLET CHEVEROLET SS
- 2015 CHEVROLET CITY EXPRESS
- 2015 to 2022 CHEVROLET COLORADO
- 2015 to 2020 CHEVROLET CORVETTE
- 2015 to 2019 CHEVROLET CRUZE
- 2015 to 2022 CHEVROLET EQUINOX
- 2015 to 2021 CHEVROLET EXPRESS
- 2015 to 2019 CHEVROLET EXPRESS 2500
- 2015 to 2018 CHEVROLET EXPRESS 3500
- 2020 CHEVROLET EXPRESS 3500
- 2015 to 2020 CHEVROLET IMPALA
- 2015 to 2022 CHEVROLET MALIBU
- 2015 to 2022 CHEVROLET SILVERADO 1500
- 2015 to 2019 CHEVROLET SILVERADO 2500
- 2015 CHEVROLET SILVERADO 3500
- 2015 to 2020 CHEVROLET SONIC
- 2015 to 2021 CHEVROLET SPARK
- 2015 to 2020 CHEVROLET SUBURBAN
- 2021 to 2022 CHEVROLET SUBURBAN 1500
- 2015 to 2022 CHEVROLET TAHOE
- 2015 CHEVROLET TRAILBLAZER
- 2019 CHEVROLET TRAILBLAZER
- 2021 to 2022 CHEVROLET TRAILBLAZER
- 2015 to 2022 CHEVROLET TRAVERSE
- 2015 to 2022 CHEVROLET TRAX
- 2015 to 2019 CHEVROLET VOLT
- 2015 to 2022 GMC ACADIA
- 2015 to 2022 GMC CANYON
- 2015 to 2022 GMC SAVANA
- 2015 to 2022 GMC SIERRA 1500
- 2015 to 2022 GMC TERRAIN
- 2015 to 2022 GMC YUKON

JSON: [/v1/bulletins/11011420](/v1/bulletins/11011420)

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