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Service bulletins for the 2021 Buick Enclave

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.

658 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Brakes are shown. Show all

Bulletins, newest first
25-NA-0652025-04-24. 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.
21-NA-0432025-02-12. 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-1422025-01-18. 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-2712024-12-19. 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.
21-NA-0432024-12-10. 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-2442024-05-30. 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.
PIP5596A2024-04-15. Service bulletin. SERVICE BRAKES; FUEL SYSTEM, GASOLINE. This Preliminary information communicates that when removing the fuel line jumper hose care should be taken to be sure the line is reinstalled correctly to avoid a no/low fuel pressure situation.
21-NA-1422024-01-13. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES; EQUIPMENT. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
21-NA-1422023-11-29. Service bulletin. ELECTRICAL SYSTEM; SERVICE BRAKES, HYDRAULIC. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
21-NA-1422023-06-05. 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.
22-NA-2472023-05-04. Service bulletin. SERVICE BRAKES; ELECTRICAL SYSTEM. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
21-NA-1422023-03-01. Service bulletin. SERVICE BRAKES, HYDRAULIC; ELECTRICAL SYSTEM. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
21-NA-1422023-02-08. Service bulletin. SERVICE BRAKES, HYDRAULIC. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
21-NA-1422023-01-06. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
22-NA-2472022-12-24. Service bulletin. SERVICE BRAKES, HYDRAULIC. This service bulletin provides information to dealership personnel that after performing a brake inspection, brake pad replacement, or any other repair that requires the caliper piston to be reseated may be causing DTC C05B0 to falsely set for eBoost applications.
17-NA-2712022-11-03. Service bulletin. WHEELS; SERVICE BRAKES, HYDRAULIC. This bulletin provides a procedure to clean the back side of the rims and rotors and to correct the customers concern of wheel clicking.
15-00-89-004E2022-10-11. Service bulletin. POWER TRAIN; SUSPENSION; ENGINE AND ENGINE COOLING; SERVICE BRAKES, HYDRAULIC; STEERING. This service bulletin provides technicians with updated information to help identify the differences between what is considered a fluid leak, and what is considered fluid seepage.
21-NA-1422022-09-07. Service bulletin. SERVICE BRAKES. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
PIT5569B2022-08-15. Service bulletin. ELECTRICAL SYSTEM; EQUIPMENT; SERVICE BRAKES, AIR:ANTILOCK:WHEEL SPEED SENSOR. This Preliminary information communicates direction and examples when diagnosing multiple DTCs, one of which includes U**** Byte 71 DTC.
070316004D2022-06-13. Service bulletin. SERVICE BRAKES. This service bulletin provides information for tire pressure monitoring (TPM) system concerns.
21-NA-0432022-06-02. Service bulletin. FUEL SYSTEM, GASOLINE; SERVICE BRAKES; ENGINE AND ENGINE COOLING; FUEL SYSTEM, DIESEL; WHEELS. This informational 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.
18NA0672022-05-31. Service bulletin. SERVICE BRAKES. This service bulletin provides information for cleaning brake dust off of aluminum or chrome wheels.
21-NA-1422022-04-29. Service bulletin. SERVICE BRAKES, HYDRAULIC. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.
PIT5662G2022-04-18. Service bulletin. PARKING BRAKE. This Preliminary information communicates information to diagnose DTC C056D or C056E.
21-NA-1422022-03-30. Service bulletin. SERVICE BRAKES, HYDRAULIC. This technical bulletin provides repair information to correct a customer concern of hearing front brake grind/groan noise after sitting overnight.

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.