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Service bulletin PIT6212C

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 id11018432
Published by NHTSA2025-05-19
Manufacturer's numberPIT6212C
Manufacturer's date2025-05-07
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

This Preliminary information communicates an issue with the Hydrastar Electric Over Hydraulic trailer brake system causing a voltage spike into the trucks electrical system which is causing DTC C1114 to set.

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.

Trouble codes named

C1114

Vehicles listed
CADILLAC ESCALADE2024, 2025
CADILLAC ESCALADE ESV2024, 2025
CHEVROLET COLORADO2024, 2025
CHEVROLET SILVERADO 15002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 65002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO EV2024, 2025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2024
CHEVROLET SUBURBAN 15002025 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET TAHOE2024, 2025
GMC CANYON2024, 2025
GMC HUMMER EV PICKUP2024, 2025
GMC SIERRA 15002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002024, 2025 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2024, 2025
GMC YUKON XL2024, 2025

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