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Service bulletin PIP6115

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 id11032955
Published by NHTSA2026-05-28
Manufacturer's numberPIP6115
Manufacturer's date2026-05-21
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

The document advise technicians after an engine repair involving removal of the camshaft actuators, the vehicle may set p1101 P0172 and or stalls when taken off idle. The technician is instructed to verify the intake and exhaust camshaft actuators are installed onto the correct camshafts.

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

P0172

Vehicles listed
CADILLAC CT42020, 2021, 2022, 2023, 2024, 2025, 2026
CHEVROLET COLORADO2023, 2024, 2025, 2026
CHEVROLET SILVERADO 15002019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)
GMC CANYON2023, 2024, 2025, 2026
GMC SIERRA 15002019, 2020, 2021, 2022, 2023, 2024, 2025, 2026 (the catalog's model; the bulletin names a series or trim of it)

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