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Service bulletin 14126A

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 id10247325
Published by NHTSA2023-12-18
Manufacturer's number14126A
Manufacturer's date2014-07-01
NHTSA componentELECTRICAL SYSTEM:INSTRUMENT PANEL:SPEEDOMETER/ODOMETER

NHTSA's summary

?Peek In? Odometer Display Incorrect

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.

Components

Electrical system, Instrument cluster

Vehicles listed
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 35002015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2015
CHEVROLET TAHOE2015
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 35002015 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2015

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

Other bulletins for the same vehicles and component
PIE02852024-04-08. Service bulletin. Engineering Information.
PIT5306A2024-01-08. Service bulletin. TAC Part Restriction.
PIT5195B2023-12-26. Service bulletin. Speedometer Needle Accuracy Information.
PIT4720C2023-12-26. Service bulletin. Odometer Servicing When The Odometer Cannot Be Set To The Actual Mileage.
14126B2023-12-18. Service bulletin. ?Peek In? Odometer Display Incorrect
141262023-12-18. Service bulletin. ?Peek In? Odometer Display Incorrect
14105B2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
14105A2023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
141052023-12-18. Service bulletin. Passenger Side Instrument Panel Performance
PIT5195B2023-12-11. Service bulletin. Speedometer Needle Accuracy Information.