# Service bulletin 21\-NA\-005

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: 10239112
- Published by NHTSA: 2023\-07\-14
- Manufacturer's number: 21\-NA\-005
- Manufacturer's date: 2023\-06\-29
- NHTSA component: ELECTRICAL SYSTEM; AIR BAGS

## NHTSA's summary

This technical bulletin provides a procedure to replace the air bag and air bag harness to correct a condition of Airbag Malfunction Warning and Airbag Malfunction Indicator Illuminated with DTC B0001\-1B due to corrosion.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239112-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10239112-9999.pdf)

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

## Components

Air bags, Electrical system

## Trouble codes named

B0001

## Vehicles listed

- 2020 to 2023 CADILLAC ESCALADE
- 2020 to 2023 CADILLAC ESCALADE ESV
- 2021 CADILLAC ESCALADE NA
- 2020 to 2023 CHEVROLET BLAZER
- 2020 to 2023 CHEVROLET SILVERADO 1500
- 2020 to 2024 CHEVROLET SILVERADO 2500
- 2020 to 2024 CHEVROLET SILVERADO 3500
- 2020 to 2023 CHEVROLET SUBURBAN
- 2021 to 2022 CHEVROLET SUBURBAN 1500
- 2020 to 2023 GMC ACADIA
- 2020 to 2023 GMC SIERRA 1500
- 2020 to 2024 GMC SIERRA 2500
- 2020 to 2024 GMC SIERRA 3500
- 2020 to 2023 GMC YUKON
- 2020 to 2023 GMC YUKON XL

## Recalls for the same vehicles and component

- [24V738000](/recalls/nhtsa/24V738000.md), 2024-10-02: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE:SOFTWARE
- [24V320000](/recalls/nhtsa/24V320000.md), 2024-05-09: ELECTRICAL SYSTEM:PROPULSION SYSTEM; ELECTRICAL SYSTEM:WIRING
- [22V873000](/recalls/nhtsa/22V873000.md), 2022-11-23: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE
- [21V702000](/recalls/nhtsa/21V702000.md), 2021-09-10: AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; AIR BAGS
- [21V495000](/recalls/nhtsa/21V495000.md), 2021-07-01: AIR BAGS:FRONTAL
- [21V421000](/recalls/nhtsa/21V421000.md), 2021-06-10: AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT; ELECTRICAL SYSTEM:SOFTWARE
- [2021348](/recalls/tc/2021348.md), 2021-06-03: Airbag
- [20V790000](/recalls/nhtsa/20V790000.md), 2020-12-17: ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
- [2020350](/recalls/tc/2020350.md), 2020-07-30: Airbag
- [20V446000](/recalls/nhtsa/20V446000.md), 2020-07-30: AIR BAGS:SIDE/WINDOW:CURTAIN:INFLATOR

## Other bulletins for the same vehicles and component

- [N252529080](/bulletins/11030439.md), 2026-04-01, Service campaign: ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may be missing a high voltage header plug on the RESS battery pack drive motor connector. Dealers are to inspect the RESS pack connectors and install the proper HV Header Plug if missing.
- [N252515590](/bulletins/11027795.md), 2026-01-27, Service campaign: ELECTRICAL SYSTEM. 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.
- [25\-NA\-119](/bulletins/11024500.md), 2025-10-27, Service bulletin: AIR BAGS; ELECTRICAL SYSTEM. This service bulletin provides information on the Service Safety Restraint Message displayed on the DIC Airbag malfunction indicator illuminated.
- [25\-NA\-108](/bulletins/11024499.md), 2025-10-27, Service bulletin: POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides a procedure to inspect and verify the drive shafts are over extending past the 5mm tolerance, causing the customers concern of a fluid leak under the vehicle.
- [25\-NA\-044](/bulletins/11024498.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information for dealers/technicians on SPS2 Hybrid/EV Battery Data Retrieval for Service High Voltage DTCs.
- [24\-NA\-202](/bulletins/11024496.md), 2025-10-27, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides dealers with Warranty Administration information on North American Charging Standard \(NACS\) DC Adapter Warranty Claim Information.
- [23\-NA\-202](/bulletins/11024487.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin provides information on High Voltage Drive Motor Battery \- TAC Approval and Exchange Program for BrightDrop, Chevrolet Silverado EV, and GMC Sierra EV, HUMMER EV/SUV.
- [23\-NA\-170](/bulletins/11024486.md), 2025-10-25, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This bulletin advises the tech to inspect deeper into what may be to main cause of an engine failure.
- [23\-NA\-201](/bulletins/11024378.md), 2025-10-21, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM; STEERING. 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.
- [18\-NA\-180](/bulletins/11024324.md), 2025-10-16, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This Warranty Administration service bulletin provides Lithium\-Ion battery Exchange Process and Transaction Submission information.

JSON: [/v1/bulletins/10239112](/v1/bulletins/10239112)

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