# Service bulletin 21\-NA\-142

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: 10228891
- Published by NHTSA: 2023\-01\-06
- Manufacturer's number: 21\-NA\-142
- Manufacturer's date: 2022\-12\-14
- NHTSA component: SERVICE BRAKES

## NHTSA's summary

This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228891-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10228891-9999.pdf)

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

## Components

Brakes

## Vehicles listed

- 2020 to 2023 BUICK ENCLAVE
- 2021 to 2023 CADILLAC XT5
- 2021 to 2023 CADILLAC XT6
- 2021 to 2023 CHEVROLET BLAZER
- 2021 to 2022 CHEVROLET COLORADO
- 2020 to 2023 CHEVROLET TRAVERSE
- 2021 to 2023 GMC ACADIA
- 2021 to 2022 GMC CANYON

## Recalls for the same vehicles and component

- [22V392000](/recalls/nhtsa/22V392000.md), 2022-06-02: SERVICE BRAKES, HYDRAULIC:FLUID

## Other bulletins for the same vehicles and component

- [23\-NA\-074](/bulletins/11017508.md), 2025-05-02, Service bulletin: ELECTRICAL SYSTEM; SERVICE BRAKES; ENGINE; STEERING. This service bulletin provides a procedure to add deadener to the batter tray bracket to correct customer concerns of a Service Engine Soon \(SES\), Reduced Power, Service Brake, Reduced Steering and/or Stabilitrak Message Illuminated on DIC, multiple DTCs.
- [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.
- [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\-142](/bulletins/11012931.md), 2025-01-18, Service bulletin: SERVICE BRAKES; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
- [17\-NA\-271](/bulletins/11011990.md), 2024-12-19, Service bulletin: WHEELS; SERVICE BRAKES. This service bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customer concern of wheel clicking.
- [PIT5696H](/bulletins/11011779.md), 2024-12-12, Service bulletin: SERVICE BRAKES. This preliminary information discusses potential for a code C0010.5A to store in the brake controller which appears to be setting falsely or is induced by 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.
- [PIT5509L](/bulletins/11007691.md), 2024-09-11, Service bulletin: SERVICE BRAKES. This Preliminary Information communication provides information to the technician on how to diagnose and repair vehicle that may have a "Check Trailer Wiring" or "Service Trailer Brake System” message on the Driver Information Center when a trailer is connected to the vehicle. Diagnostic Trouble Code C1114 set in the Chassis Control Module. Chassis Control Module has to determine the type of trailer brake system that is being used. The Chassis Control Module can be sensitive to a variety of trailer wiring issues. The technician will need to make a trailer tester using Electric Trailer Brake Magnets and 7\-way trailer connector to determine if it is a vehicle or trailer issue. If the concern is not duplicated with the tester installed, the vehicle is operating correctly and the focus should be on the trailer wiring or 7 way connector.
- [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/10228891](/v1/bulletins/10228891)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%2021-NA-142&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F10228891&vehicle=Service%20bulletin%2021-NA-142)