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Service bulletin PIT5074R

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id11019075
Published by NHTSA2025-06-04
Manufacturer's numberPIT5074R
Manufacturer's date2025-05-30
NHTSA componentUNKNOWN OR OTHER

NHTSA's 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.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Vehicles listed
BUICK ENCLAVE2026
BUICK ENCORE GX2026
BUICK ENVISION2026
BUICK ENVISTA2026
CADILLAC CELESTIQ2026
CADILLAC CT42026
CADILLAC CT52026
CADILLAC ESCALADE2026
CADILLAC ESCALADE ESV2026
CADILLAC ESCALADE ESV IQ2026 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE ESV IQL2026 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC ESCALADE IQ2026
CADILLAC ESCALADE IQL2026
CADILLAC LYRIQ2026
CADILLAC OPTIQ2026
CADILLAC VISTIQ2026
CADILLAC XT42026
CADILLAC XT52026
CADILLAC XT62026
CHEVROLET BLAZER2026
CHEVROLET BLAZER EV2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 4002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET BRIGHTDROP 6002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET COLORADO2026
CHEVROLET CORVETTE CONVERTIBLE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET CORVETTE COUPE2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EQUINOX2026
CHEVROLET EQUINOX EV2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS2026
CHEVROLET EXPRESS 25002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 35002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET EXPRESS 45002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET LOW CAB FORWARD 35002026
CHEVROLET LOW CAB FORWARD 55002026
CHEVROLET LOW CAB FORWARD 65002026
CHEVROLET SILVERADO 15002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 45002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 55002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN 15002026 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2026
CHEVROLET TRAILBLAZER2026
CHEVROLET TRAX2026
GMC ACADIA2026
GMC CANYON2026
GMC HUMMER EV PICKUP2026
GMC HUMMER EV SUV2026
GMC SAVANA2026
GMC SAVANA 25002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 35002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SAVANA 45002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 15002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002026 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA EV2026 (the catalog's model; the bulletin names a series or trim of it)
GMC TERRAIN2026
GMC YUKON2026
GMC YUKON XL2026

Listing a model year does not mean every vehicle of it is concerned: the document says which.