# Service bulletin 21\-NA\-182

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: 10211071
- Published by NHTSA: 2022\-05\-06
- Manufacturer's number: 21\-NA\-182
- Manufacturer's date: 2022\-04\-27
- NHTSA component: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.; EQUIPMENT

## NHTSA's summary

This service bulletin provides repair information to correct a customer concern of Radio System Settings Lost or Returning to Default Values.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211071-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10211071-9999.pdf)

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

## Components

Equipment and accessories

## Vehicles listed

- 2020 CHEVROLET BLAZER
- 2020 CHEVROLET CAMARO
- 2020 to 2022 CHEVROLET COLORADO
- 2020 to 2021 CHEVROLET EQUINOX
- 2020 CHEVROLET MALIBU
- 2020 to 2021 CHEVROLET SILVERADO 1500
- 2020 to 2022 CHEVROLET SILVERADO 2500
- 2020 to 2022 CHEVROLET SILVERADO 3500
- 2020 CHEVROLET SONIC
- 2020 to 2021 CHEVROLET TRAX
- 2020 to 2022 GMC CANYON
- 2020 to 2021 GMC SIERRA 1500
- 2020 to 2022 GMC SIERRA 2500
- 2020 to 2022 GMC SIERRA 3500
- 2020 to 2021 GMC TERRAIN

## Recalls for the same vehicles and component

- [2022160](/recalls/tc/2022160.md), 2022-03-31: Accessories
- [21V497000](/recalls/nhtsa/21V497000.md), 2021-07-01: EQUIPMENT:OTHER:LABELS
- [2020165](/recalls/tc/2020165.md), 2020-04-16: Accessories
- [2019494](/recalls/tc/2019494.md), 2019-10-03: Accessories

## Other bulletins for the same vehicles and component

- [22\-NA\-096](/bulletins/10254391.md), 2024-05-08, Service bulletin: EQUIPMENT. This informational bulletin provides information for dealers/technicians on Customer Education Bulletin for Google Built\-in Radio.
- [23\-NA\-064](/bulletins/10254014.md), 2024-05-02, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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\-155](/bulletins/10253528.md), 2024-04-23, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC; EQUIPMENT. 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\-132](/bulletins/10253527.md), 2024-04-23, Service bulletin: EQUIPMENT; ELECTRICAL SYSTEM. This warranty administration bulletin provides policy information on the requirements for 12V battery testing and warranty replacements.
- [17\-NA\-052](/bulletins/10253526.md), 2024-04-23, Service bulletin: WHEELS; EQUIPMENT. 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.
- [PIC6486E](/bulletins/10253104.md), 2024-04-15, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates to dealer that GM is aware of the issue and is working on a resolution.
- [PIT5992A](/bulletins/10253092.md), 2024-04-15, Service bulletin: ELECTRICAL SYSTEM; EQUIPMENT. 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.
- [PIT5832L](/bulletins/10253075.md), 2024-04-15, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
- [PIT5918A](/bulletins/10253067.md), 2024-04-15, Service bulletin: EQUIPMENT:ELECTRICAL. This Preliminary information communicates an issue where GM Accessory Illuminated Emblem may cause an issue with the left headlight/turn signal and dealership are to disable the Accessory Illuminated Emblem until a fix is available.
- [PIT5448J](/bulletins/10253060.md), 2024-04-15, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. This Preliminary Information communication advises the technician with a tip when the vehicle stops running after it has been idling for 2.5 hours. This is normal operation of the vehicle built with regular production code BTM and without Regular Production Option Code AVF. If the vehicle was built with regular production code BTM and AVF only has a 1 hour idle time.

JSON: [/v1/bulletins/10211071](/v1/bulletins/10211071)

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