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Service bulletin PIC6073A

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 id10115038
Published by NHTSA2017-08-15
Manufacturer's numberPIC6073A
Manufacturer's date2015-06-12
NHTSA componentEQUIPMENT:ELECTRICAL

NHTSA's summary

This Preliminary Information communication provides information to the technician about the Media Oriented Systems Transport Bus Diagnostic Tool Kit (EL-51578) has been released to help diagnose any of the Media Oriented Systems Transport bus concerns. The kit contains header connectors that are installed to bypass Media Oriented Systems Transport bus modules. The bypass connector also contains a terminal for verifying Media Oriented Systems Transport control circuit voltages. Technician should review Media Oriented Systems Transport bus description and operation and Diagnostic Trouble Code U0028 diagnostic procedures.

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

Equipment and accessories

Trouble codes named

U0028

Vehicles listed
BUICK LACROSSE2014, 2015
BUICK REGAL2014, 2015
CADILLAC ATS2013, 2014, 2015
CADILLAC CTS2014, 2015
CADILLAC ELR2014, 2015
CADILLAC ESCALADE2015
CADILLAC ESCALADE ESV2015 (the catalog's model; the bulletin names a series or trim of it)
CADILLAC SRX2013, 2014, 2015
CADILLAC XTS2013, 2014, 2015
CHEVROLET COLORADO2015
CHEVROLET CORVETTE2014, 2015
CHEVROLET IMPALA2014, 2015
CHEVROLET SILVERADO 15002014 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SILVERADO 25002014, 2015 (the catalog's model; the bulletin names a series or trim of it)
CHEVROLET SUBURBAN2014, 2015
CHEVROLET TAHOE2014, 2015
GMC CANYON2015
GMC SIERRA 15002014 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA 25002014, 2015 (the catalog's model; the bulletin names a series or trim of it)
GMC SIERRA DENALI2015 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON2014, 2015
GMC YUKON XL2014 (the catalog's model; the bulletin names a series or trim of it)
GMC YUKON XL2015

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

Recalls for the same vehicles and component
18V2670002018-04-26. EQUIPMENT
13V5440002015-10-30. EQUIPMENT:OTHER:LABELS
14V3450002014-06-18. EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
20142162014-06-06. Accessories

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

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PIE0291A2024-04-08. Service bulletin. Engineering Information.