# Service campaign N252519910

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: 11022193
- Published by NHTSA: 2025\-08\-27
- Manufacturer's number: N252519910
- Manufacturer's date: 2025\-08\-27
- Campaign id or software version: N252519910
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

Certain vehicles may have a condition in which the Front Right Brake Line Fitting is torqued under specification. Dealers are to tighten the Front Right Brake Line Fitting to the specified torque.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022193-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11022193-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2025 CADILLAC OPTIQ
- 2025 CHEVROLET BLAZER
- 2025 CHEVROLET BLAZER EV
- 2025 CHEVROLET EQUINOX EV

## Recalls for the same vehicles and component

- [2026020](/recalls/tc/2026020.md), 2026-01-22: Brakes
- [26V031000](/recalls/nhtsa/26V031000.md), 2026-01-22: PARKING BRAKE
- [2025351](/recalls/tc/2025351.md), 2025-06-25: Brakes
- [25V433000](/recalls/nhtsa/25V433000.md), 2025-06-25: PARKING BRAKE
- [2025014](/recalls/tc/2025014.md), 2025-01-16: Brakes
- [25V012000](/recalls/nhtsa/25V012000.md), 2025-01-16: SERVICE BRAKES, HYDRAULIC; FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL:SOFTWARE

## Other bulletins for the same vehicles and component

- [N262545360](/bulletins/11038356.md), 2026-10-07, Service campaign: SERVICE BRAKES. Service Update. Certain vehicles listed above may experience a condition in which the Anti\-Lock Braking System \(ABS\) may be perceived as activating earlier than expected during certain braking scenarios on slippery road conditions, such as ice\- or snow\-covered surfaces. Dealers will reprogram the brake system control module and drive motor control module.
- [N252528241\-01](/bulletins/11035158.md), 2026-07-23, Service campaign: SERVICE BRAKES. Certain vehicles listed above may have a condition in which the vehicle experiences a reduction in deceleration during a low\-speed ABS braking event when the road surface transitions from smooth to rough surfaces. Dealers are to reprogram the Brake System Control Module. 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.
- [N252528241](/bulletins/11032066.md), 2026-05-04, Service campaign: SERVICE BRAKES. Certain vehicles may have a condition in which the vehicle experiences a reduction in deceleration during a low\-speed ABS braking event when the road surface transitions from smooth to rough surfaces. Dealers are to reprogram the Brake System Control Module. 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.
- [N252494220](/bulletins/11019781.md), 2025-06-26, Service campaign: SERVICE BRAKES. Service Update. Certain vehicles listed above may have a condition in which braking performance is reduced, vehicle top speed is limited, and MIL notification is provided to the customer. Dealers are to replace the brake master cylinder assembly.
- [25\-NA\-065](/bulletins/11017173.md), 2025-04-24, Service bulletin: STEERING; SERVICE BRAKES; FUEL/PROPULSION SYSTEM. This informational bulletin instructs the tech when fuel/fluid is needed to be tested and where it can be sent for analysis.
- [25\-NA\-030](/bulletins/11014572.md), 2025-02-27, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES. This service bulletin provides repair information to correct a customer concern of hearing a squeak type noise when applying the brake pedal.
- [24\-NA\-048](/bulletins/11014277.md), 2025-02-17, Service bulletin: FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING; SERVICE BRAKES. This service bulletin provides customer information for rear unwanted automatic braking, usually when reversing out of a garage or driveway.
- [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.
- [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.
- [22\-NA\-244](/bulletins/11000550.md), 2024-05-30, Warranty extension: ELECTRICAL SYSTEM; EXTERIOR LIGHTING; STRUCTURE:BODY; UNKNOWN OR OTHER; SERVICE BRAKES. This service bulletin provides information about GM Accessories \- Dealer\-Installed, Repaired or Replaced During Warranty Coverage Period.

JSON: [/v1/bulletins/11022193](/v1/bulletins/11022193)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20campaign%20N252519910&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11022193&vehicle=Service%20campaign%20N252519910)