# Service campaign N252502390

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 campaign
- NHTSA id: 11018802
- Published by NHTSA: 2025\-06\-02
- Manufacturer's number: N252502390
- Manufacturer's date: 2025\-06\-02
- Campaign id or software version: N252502390
- NHTSA component: ENGINE

## NHTSA's summary

Service Update. Certain vehicles listed above may require software updates that improve the customer experience and optimize future over\-the\-air updates. Dealers will perform a comprehensive software update.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018802-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018802-9999.pdf)

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

## Components

Engine

## Vehicles listed

- 2022 BRIGHTDROP EV600
- 2023 BRIGHTDROP ZEVO 600
- 2023 CADILLAC LYRIQ
- 2022 to 2023 GMC HUMMER EV PICKUP

## Other bulletins for the same vehicles and component

- [23\-NA\-153](/bulletins/11024485.md), 2025-10-25, Service bulletin: ENGINE. The service bulletin advises the tech of a normal transmission shift condition and the delay in throttle response when the throttle plate is opened rapidly and advises the customer that it is normal for the delay.
- [PIC6578C](/bulletins/11021284.md), 2025-08-04, Service bulletin: ENGINE. This Preliminary information communicates procedure to relearn window motor when it reverses when expressing up.
- [22\-NA\-074](/bulletins/11014233.md), 2025-02-12, Service bulletin: ENGINE. This service bulletin provides service information to technicians on guidelines to replace Oil Cooler, Oil Cooler Lines and Oil Tank if the engine was replaced where large amounts of debris has flowed throughout the oiling system.
- [21\-NA\-043](/bulletins/11014230.md), 2025-02-12, Service bulletin: VISIBILITY/WIPER; SERVICE BRAKES; ENGINE; ELECTRICAL SYSTEM; WHEELS. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [09\-06\-04\-026Z](/bulletins/11013069.md), 2025-01-23, Service bulletin: ENGINE; POWER TRAIN; ELECTRICAL SYSTEM. This bulletin provides information on identifying Non\-GM Engine Calibrations for Gasoline Engines using the Tech 2 or GDS 2.
- [PIT5832S](/bulletins/11011872.md), 2024-12-16, Service bulletin: ENGINE; UNKNOWN OR OTHER; ELECTRICAL SYSTEM. This Preliminary information communicates a diagnostic tip on how to resolve a issue if the serial data authentication configuration did not complete correctly.
- [21\-NA\-043](/bulletins/11011709.md), 2024-12-10, Service bulletin: STRUCTURE:BODY; WHEELS; ENGINE; SERVICE BRAKES; UNKNOWN OR OTHER. This bulletin advises the dealers to maintain the vehicle stock on hand by doing a full inspection on the vehicles before being sold \(prepping\) to the customer.
- [23\-NA\-044](/bulletins/11007721.md), 2024-09-11, Service bulletin: ELECTRICAL SYSTEM; ENGINE. This service bulletin provides information on AGM batteries that require less frequent charging in storage.
- [12\-01\-37\-001G](/bulletins/11006290.md), 2024-08-13, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel on a new refrigerant \(R1234yf\) for A/C service.
- [18\-NA\-125](/bulletins/11002441.md), 2024-06-28, Service bulletin: ENGINE; ELECTRICAL SYSTEM. This service bulletin provides information for engine oil life monitor operation calculation.

JSON: [/v1/bulletins/11018802](/v1/bulletins/11018802)

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