Buick Enclave 2026 — technical service bulletin
Bulletin PIT5074R · NHTSA communication 11019075 · issued May 30, 2025
Technical service bulletin
communication type
Unknown OR 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.