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Service bulletin PIP4902T

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11022084
Published by NHTSA2025-08-22
Manufacturer's numberPIP4902T
Manufacturer's date2025-08-14
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
BRIGHTDROP 600 ELCV2023 to 2024
BRIGHTDROP EV6002022
BRIGHTDROP ZEVO 4002024 (the catalog's model; the bulletin names a series or trim of it)
BRIGHTDROP ZEVO 6002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
BUICK CASCADA2016, 2017, 2018, 2019
BUICK ENCLAVE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
BUICK ENCORE2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENCORE2023 to 2025
BUICK ENCORE GX2020, 2021, 2022, 2023, 2024, 2025, 2026
BUICK ENVISION2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
BUICK ENVISTA2024, 2025, 2026
BUICK LACROSSE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
BUICK LACROSSE2020
BUICK LESABRE2013
BUICK LUCERNE2011
BUICK LUCERNE2012
BUICK REGAL2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
BUICK REGAL TOURX2018
BUICK REGAL TOURX2020
BUICK VERANO2012, 2013, 2014, 2015, 2016, 2017
CADILLAC ATS2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC ATS-V2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CELESTIQ2025, 2026
CADILLAC CT42020, 2021, 2022, 2023, 2024, 2025, 2026
CADILLAC CT52020, 2021, 2022, 2023, 2024, 2025, 2026
CADILLAC CT62013 to 2015
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CT62021
CADILLAC CT6 PLUG-IN HYBRID2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC CTS-V2011, 2012 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS-V2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC CTS-V2018 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC DTS2011
CADILLAC DTS2012
CADILLAC ELR2014, 2015, 2016, 2017
CADILLAC ESCALADE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CADILLAC ESCALADE ESV2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CADILLAC ESCALADE ESV IQ2026 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV IQL2026 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE EXT 15002011 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE HYBRID2011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE IQ2025, 2026
CADILLAC ESCALADE IQL2026
CADILLAC LYRIQ2023, 2024, 2025, 2026
CADILLAC OPTIQ2025, 2026
CADILLAC SRX2011, 2012, 2013, 2014, 2015, 2016
CADILLAC STS2011
CADILLAC STS2012
CADILLAC VISTIQ2026
CADILLAC XT42018
CADILLAC XT42019, 2020, 2021, 2022, 2023, 2024, 2025
CADILLAC XT42026
CADILLAC XT52013 to 2016
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CADILLAC XT62020, 2021, 2022, 2023, 2024, 2025
CADILLAC XT62026
CADILLAC XTS2013, 2014, 2015, 2016, 2017, 2018, 2019
CADILLAC XTS2020
CHEVROLET 35002014 to 2015
CHEVROLET 35002016
CHEVROLET 35002017 to 2019
CHEVROLET 35002020
CHEVROLET 35002021
CHEVROLET 35002022
CHEVROLET 3500HD2024
CHEVROLET 45002016
CHEVROLET 45002017 to 2019
CHEVROLET 45002020
CHEVROLET 45002022
CHEVROLET 4500HD2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET 4500XD2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET 5500HD2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET 5500XD2018, 2019, 2020, 2021, 2022
CHEVROLET 65002019
CHEVROLET 6500HD2019 to 2023
CHEVROLET AVALANCHE2011, 2012, 2013
CHEVROLET AVALANCHE2014
CHEVROLET AVALANCHE 15002011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVALANCHE 25002013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET AVEO2011
CHEVROLET BLAZER2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET BLAZER EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BOLT EUV2022, 2023
CHEVROLET BOLT EV2017, 2018, 2019, 2020, 2021, 2022, 2023
CHEVROLET BOLT EV2024
CHEVROLET BRIGHTDROP 4002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 6002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET C35002018
CHEVROLET CAMARO2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET CAPRICE2011 to 2018
CHEVROLET CAPRICE POLICE PURSUIT2012 to 2017
CHEVROLET CAPTIVA2011 to 2018
CHEVROLET CAPTIVA SPORT2011, 2012, 2013, 2014
CHEVROLET CHEVEROLET SS2014 to 2017
CHEVROLET CITY EXPRESS2015, 2016
CHEVROLET CITY EXPRESS2018
CHEVROLET COBALT2011 to 2017
CHEVROLET COLORADO2011, 2012
CHEVROLET COLORADO2013 to 2014
CHEVROLET COLORADO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET CORVETTE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET CORVETTE CONVERTIBLE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE COUPE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE E-RAY2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE ZR12011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CRUZE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET EQUINOX2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET EQUINOX EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET EXPRESS2023, 2024, 2025, 2026
CHEVROLET EXPRESS 15002011, 2012, 2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 25002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 25002023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 25002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002012 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS CUTAWAY VAN2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET G VAN BUS2011
CHEVROLET G45002018
CHEVROLET HHR2011
CHEVROLET IMPALA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET LOW CAB FORWARD 35002016 to 2019
CHEVROLET LOW CAB FORWARD 35002026
CHEVROLET LOW CAB FORWARD 45002016 to 2017
CHEVROLET LOW CAB FORWARD 55002016 to 2017
CHEVROLET LOW CAB FORWARD 55002026
CHEVROLET LOW CAB FORWARD 65002018
CHEVROLET LOW CAB FORWARD 65002026
CHEVROLET LOW CAB FORWARD N SERIES2025
CHEVROLET LUMINA2014
CHEVROLET MALIBU2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025
CHEVROLET MALIBU ECO2013, 2014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET MALIBU HYBRID2016, 2017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET N3002014 to 2016
CHEVROLET N3002018
CHEVROLET N300 MAX2017
CHEVROLET S102016 to 2018
CHEVROLET SILVERADO 15002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO LT2018 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2011
CHEVROLET SONIC2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET SPARK2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SPARK EV2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024
CHEVROLET SUBURBAN 15002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 25002011 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET TAHOE HYBRID2011, 2012, 2013 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE POLICE PURSUIT2011, 2012, 2013, 2014, 2015, 2016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TRAILBLAZER2013 to 2015
CHEVROLET TRAILBLAZER2017 to 2020
CHEVROLET TRAILBLAZER2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET TRAVERSE2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET TRAX2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET VOLT2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019
CHEVROLET W-SERIES2011
CRUISE AV12023
CRUISE ORIGIN2024
GMC 3500HD2024
GMC ACADIA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
GMC CANYON2011, 2012, 2013
GMC CANYON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
GMC ENVOY2011 to 2013
GMC G VAN BUS2011
GMC G35002017 to 2018
GMC HUMMER EV PICKUP2022, 2023, 2024, 2025, 2026
GMC HUMMER EV SUV2026
GMC SAVANA2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
GMC SAVANA 15002011, 2012, 2013, 2014, 2015, 2016, 2017 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002023 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 25002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002023 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 45002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA CUTAWAY VAN2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA EV2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022, 2023, 2024, 2025, 2026
GMC TOPKICK2011 to 2013

And 30 more lines, in the JSON.

Listing a model year does not mean every vehicle of it is concerned: the document says which.