# Service bulletin N222384930

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: 10231817
- Published by NHTSA: 2023\-02\-13
- Manufacturer's number: N222384930
- Manufacturer's date: 2023\-02\-13
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Customer Satisfaction Program \- certain vehicles may have a “Service Trailer Brake” message set when a trailer with electric brakes is connected and the driver attempts to use the manual apply slider on switch or depress the brake pedal while towing. Dealers are to replace the Trailer Brake Control Switch.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231817-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10231817-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2022 to 2023 CHEVROLET SILVERADO 1500
- 2022 to 2023 CHEVROLET SUBURBAN
- 2022 to 2023 CHEVROLET TAHOE
- 2022 GMC HUMMER EV PICKUP
- 2022 to 2023 GMC SIERRA 1500
- 2022 to 2023 GMC YUKON
- 2022 to 2023 GMC YUKON XL

## Recalls for the same vehicles and component

- [26V494000](/recalls/nhtsa/26V494000.md), 2026-07-30: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [23V367000](/recalls/nhtsa/23V367000.md), 2023-05-25: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
- [22V771000](/recalls/nhtsa/22V771000.md), 2022-10-13: ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY

## Other bulletins for the same vehicles and component

- [N252514001](/bulletins/11037980.md), 2026-10-05, Service campaign: ELECTRICAL SYSTEM. Service Update. Certain vehicles listed above may enable the new King Crab Feature through OTA programming or programming at the dealer. Dealers will perform a comprehensive software update. Owners who have accepted applicable terms and conditions will have the opportunity to accept these software changes using wireless over\-the\-air \(OTA\) technology without having to bring their vehicle to a dealership. Alternatively, owners may have their vehicle serviced at a GM dealer to receive these software updates.
- [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\-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.
- [23\-NA\-151](/bulletins/11023484.md), 2025-10-02, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This service bulletin and criteria within are to determine the internal state of the High Voltage Battery and core return shipping method.
- [PIE0753I](/bulletins/11023388.md), 2025-09-30, Service bulletin: ELECTRICAL SYSTEM; FUEL/PROPULSION SYSTEM. This engineering information \(EI\) will assist GM to recover a small number of electric vehicle battery packs from customer\-owned vehicles in the field for further engineering study and analysis.

JSON: [/v1/bulletins/10231817](/v1/bulletins/10231817)

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