Buick Enclave 2026 — technical service bulletin
Bulletin PIT5074R · NHTSA communication 11019075 · issued May 30, 2025
Technical service bulletin
communication type
Unknown / Other
component
2026
model years
60
vehicle entries
Official summary
This Preliminary Information communication provides information to the technician about the use of J-35616-64B and Mini 50 terminal test probe, replacement terminals, and terminated leads.
Vehicles covered
- 2026 Buick Enclave
- 2026 Buick Encore GX
- 2026 Buick Envision
- 2026 Buick Envista
- 2026 Cadillac Celestiq
- 2026 Cadillac CT4
- 2026 Cadillac CT5
- 2026 Cadillac Escalade
- 2026 Cadillac Escalade Esv
- 2026 Cadillac Escalade Esv IQ
- 2026 Cadillac Escalade Esv Iql
- 2026 Cadillac Escalade IQ
- 2026 Cadillac Escalade Iql
- 2026 Cadillac Lyriq
- 2026 Cadillac Optiq
- 2026 Cadillac Vistiq
- 2026 Cadillac XT4
- 2026 Cadillac XT5
- 2026 Cadillac XT6
- 2026 Chevrolet Blazer
- 2026 Chevrolet Blazer EV
- 2026 Chevrolet Brightdrop 400
- 2026 Chevrolet Brightdrop 600
- 2026 Chevrolet Colorado
- 2026 Chevrolet Corvette Convertible
- 2026 Chevrolet Corvette Coupe
- 2026 Chevrolet Equinox
- 2026 Chevrolet Equinox EV
- 2026 Chevrolet Express
- 2026 Chevrolet Express 2500
- 2026 Chevrolet Express 3500
- 2026 Chevrolet Express 4500
- 2026 Chevrolet Low Cab Forward 3500
- 2026 Chevrolet Low Cab Forward 5500
- 2026 Chevrolet Low Cab Forward 6500
- 2026 Chevrolet Silverado 1500
- 2026 Chevrolet Silverado 2500
- 2026 Chevrolet Silverado 3500
- 2026 Chevrolet Silverado 4500
- 2026 Chevrolet Silverado 5500
- 2026 Chevrolet Silverado 6500
- 2026 Chevrolet Silverado EV
- 2026 Chevrolet Suburban 1500
- 2026 Chevrolet Tahoe
- 2026 Chevrolet Trailblazer
- 2026 Chevrolet Trax
- 2026 GMC Acadia
- 2026 GMC Canyon
- 2026 GMC Hummer EV Pickup
- 2026 GMC Hummer EV SUV
- 2026 GMC Savana
- 2026 GMC Savana 2500
- 2026 GMC Savana 3500
- 2026 GMC Savana 4500
- 2026 GMC Sierra 1500
- 2026 GMC Sierra 2500
- 2026 GMC Sierra 3500
- 2026 GMC Sierra EV
- 2026 GMC Terrain
- 2026 GMC Yukon
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.