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Service bulletin 20NA235

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 id10186101
Published by NHTSA2021-02-01
Manufacturer's number20NA235
Manufacturer's date2020-12-17
NHTSA componentEQUIPMENT; EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.

NHTSA's summary

This service bulletin provides information to aid a dealer/customer concern of Radio Unwanted Phantom Touch or Non-Responsive to Touch After Cleaning/Disinfecting Radio Display.

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

Equipment and accessories

Vehicles listed
BUICK ENCLAVE2020, 2021
BUICK ENCORE GX2020, 2021
BUICK REGAL2019, 2020
CADILLAC CT42020, 2021
CADILLAC CT52020, 2021
CADILLAC CT62019, 2020
CADILLAC ESCALADE ESV2021
CADILLAC ESCALADE NA2021 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC XT42019, 2020, 2021
CADILLAC XT62020, 2021
CHEVROLET BLAZER2019, 2020, 2021
CHEVROLET BOLT EV2021
CHEVROLET CAMARO2019, 2020, 2021
CHEVROLET COLORADO2019, 2020, 2021
CHEVROLET CORVETTE2020, 2021
CHEVROLET EQUINOX2019, 2020
CHEVROLET MALIBU2020, 2021
CHEVROLET SILVERADO 15002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2021
CHEVROLET TAHOE2021
CHEVROLET TRAVERSE2020, 2021
CHEVROLET VOLT2019
GMC ACADIA2019, 2020, 2021
GMC CANYON2019, 2020, 2021
GMC SIERRA 15002019, 2020, 2021 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2019
GMC YUKON2021
GMC YUKON XL2021

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

Recalls for the same vehicles and component
20221602022-03-31. Accessories
20216312021-10-14. Accessories
21V4970002021-07-01. EQUIPMENT:OTHER:LABELS
21V4960002021-07-01. EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER
20213652021-06-10. Accessories
21V4400002021-06-10. EQUIPMENT:MECHANICAL:ACCESSORY SCISSOR/SCREW/BOTTLE JACK/LIFT:STAND
20201652020-04-16. Accessories
20194942019-10-03. Accessories
20192052019-04-26. Accessories

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
23-NA-0642024-05-02. Service bulletin. This service bulletin provides information on the Transport Mode Feature, also known as Logistics mode, which is used to increase the 12V Battery stand time of the vehicle during transit and or long period of stand time at the dealerships.
21-NA-2492024-05-01. Service bulletin. This service bulletin provides repair information to correct a customer concern of the carpet appearance near the center console area.
21-NA-1552024-04-23. Service bulletin. This informational bulletin advises the technician to check for faults that may be caused by the trailer otherwise found by a possible faulty trailer connector.
20-NA-1322024-04-23. Service bulletin. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
17-NA-0522024-04-23. Service bulletin. This bulletin updates the position of General Motors on refinishing aluminum wheels. GM has determined that wheel refinishing under warranty will no longer be performed.
PIP59722024-04-15. Service bulletin. This Preliminary information communicates the possibility of misboxed/mislabled service parts.
PIT61382024-04-15. Service bulletin. This Preliminary information communicates and issue with the LED right above the wireless charging pad being inoperative and how to resolve the concern with the LED.
PIC6486E2024-04-15. Service bulletin. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
PIT5992A2024-04-15. Service bulletin. This preliminary information discusses a condition that may arise from the drivers window switch sending an errant message causing the vehicle to enter manual fob learn mode.
PIT5784C2024-04-15. Service bulletin. This Preliminary information communicates and issue with customers misunderstanding weather they need to bluetooth pair the factory provided headphones.