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Service bulletin PIC6450

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 id10208991
Published by NHTSA2022-03-14
Manufacturer's numberPIC6450
Manufacturer's date2022-02-24
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

This Preliminary information communicates a process to correct the concern of Unable to contact OnStar after the 3G EOL on 2015-2022 model year vehicles in the United States.

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.

Components

Electrical system

Vehicles listed
BUICK CASCADA2016, 2017, 2018, 2019
BUICK ENCLAVE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENCORE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK ENVISION2016, 2017, 2018, 2019, 2020, 2021, 2022
BUICK LACROSSE2015, 2016, 2017, 2018, 2019
BUICK REGAL2015, 2016, 2017, 2018, 2019, 2020
BUICK VERANO2015, 2016, 2017
CADILLAC ATS2015, 2016, 2017, 2018, 2019
CADILLAC CT42020, 2021, 2022
CADILLAC CT52020, 2021, 2022
CADILLAC CT62016, 2017, 2018, 2019, 2020
CADILLAC CTS2015, 2016, 2017, 2018, 2019
CADILLAC ELR2015, 2016
CADILLAC ESCALADE2015, 2016, 2017, 2018, 2019, 2020
CADILLAC ESCALADE2022
CADILLAC ESCALADE ESV2016 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV2018, 2019
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2015, 2016
CADILLAC XT42019, 2020, 2021, 2022
CADILLAC XT52017, 2018, 2019, 2020, 2021, 2022
CADILLAC XT62020, 2021, 2022
CADILLAC XTS2015, 2016, 2017, 2018, 2019
CHEVROLET BLAZER2019, 2020, 2021, 2022
CHEVROLET BOLT EV2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CAMARO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CAPRICE2015
CHEVROLET CAPTIVA2015
CHEVROLET CHEVEROLET SS2015 to 2017
CHEVROLET CITY EXPRESS2015
CHEVROLET COLORADO2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET CORVETTE2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET CRUZE2015, 2016, 2017, 2018, 2019
CHEVROLET EQUINOX2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET EXPRESS2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET EXPRESS 45002016 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET IMPALA2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET MALIBU2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET SILVERADO 15002017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 15002021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015, 2016, 2017, 2018, 2019, 2020 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002022 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SONIC2015, 2016, 2017, 2018, 2019, 2020
CHEVROLET SPARK2015, 2016, 2017, 2018, 2019, 2020, 2021
CHEVROLET SUBURBAN2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TAHOE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TRAILBLAZER2019
CHEVROLET TRAILBLAZER2021, 2022
CHEVROLET TRAVERSE2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET TRAX2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
CHEVROLET VOLT2015, 2016, 2017, 2018, 2019
GMC ACADIA2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC CANYON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC SAVANA2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022
GMC SIERRA 15002017, 2018, 2019 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002021, 2022 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002015, 2016 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002020 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2015, 2016, 2017, 2018, 2019, 2020, 2021
GMC TERRAIN NA2022 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015, 2016, 2017, 2018, 2019, 2020, 2021, 2022

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

Recalls for the same vehicles and component
20242942024-05-24. Electrical
20232102023-04-06. Electrical
23V2470002023-04-06. ELECTRICAL SYSTEM:WIRING
20214072021-07-01. Electrical
21V4210002021-06-10. AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
20211662021-03-18. Electrical
21V1890002021-03-18. ELECTRICAL SYSTEM:12V/24V/48V BATTERY:CABLES
20V4890002020-08-18. ELECTRICAL SYSTEM:SOFTWARE; STRUCTURE:BODY:TRUNK LID
20V4610002020-08-06. ELECTRICAL SYSTEM:SOFTWARE; LATCHES/LOCKS/LINKAGES:TRUNK LID:LOCK
20196312019-12-12. Electrical

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
N2525155902026-01-27. Service campaign. Certain vehicles listed above, may have a condition in which the body-to-chassis ground strap may be corroded. Dealers will replace the ground strap.
22-NA-0072025-11-15. Service bulletin. This service bulletin provides procedures to correct customer concerns of Poor Engine Performance in Extremely Cold Weather Conditions, Charge Air Cooler (CAC) Icing - Malfunction Indicator Lamp (MIL) Illuminated with DTCs P0299, P0234, P0236, P2227, P00C7 Set.
23-NA-1702025-10-25. Service bulletin. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
23-NA-2012025-10-21. Service bulletin. This service bulletin advises the technician of a possible loose ground that may be causing customer concerns of Loss of Steering Assist and/or Loss of Brake Assist and Malfunction Indicator Lamp (MIL) Illuminated.
23-NA-1192025-10-16. Service bulletin. This service bulletin provides service procedure information to correct a customer concern of Shift to Park Displayed on DIC When Vehicle is in- Park, No Start - DTC B000A Set.
18-NA-1802025-10-16. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
22-NA-1612025-09-27. Service bulletin. This informational bulletin provides information for dealers/technicians on power folding mirrors do not fold at the same speed.
18-NA-1802025-09-26. Service bulletin. This Warranty Administration service bulletin provides Lithium-Ion battery Exchange Process and Transaction Submission information.
25-NA-1012025-06-26. Service bulletin. This service bulletin provides information on the restraint warning lamp being illuminated and the correction to this by replacing the passenger presence module.
24-NA-0682025-06-16. Service bulletin. This service bulletin provides a procedure to test and replace the battery distribution fuse block if found the cause of the DTC and electric coolant pump inoperative.