# Service bulletin PIC6073E 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. - Type: Service bulletin - NHTSA id: 10154606 - Published by NHTSA: 2019\-03\-18 - Manufacturer's number: PIC6073E - Manufacturer's date: 2018\-12\-17 - NHTSA component: EQUIPMENT: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 - [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2018/MC-10154606-0001.pdf) - [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2018/MC-10154606-9999.pdf) The document is the manufacturer's. This site does not hold it. ## Components Equipment and accessories ## Trouble codes named U0028 ## Vehicles listed - 2016 to 2018 BUICK CASCADA - 2013 to 2018 BUICK ENCLAVE - 2013 to 2018 BUICK ENCORE - 2016 to 2018 BUICK ENVISION - 2013 to 2018 BUICK LACROSSE - 2013 to 2018 BUICK REGAL - 2013 to 2017 BUICK VERANO - 2013 to 2018 CADILLAC ATS - 2016 CADILLAC CT6 - 2017 to 2018 CADILLAC CT6 PLUG\-IN HYBRID - 2013 to 2018 CADILLAC CTS - 2014 to 2017 CADILLAC ELR - 2013 to 2018 CADILLAC ESCALADE - 2013 to 2016 CADILLAC ESCALADE ESV - 2017 to 2018 CADILLAC ESCALADE ESV - 2013 CADILLAC ESCALADE EXT - 2013 to 2016 CADILLAC SRX - 2017 to 2018 CADILLAC XT5 - 2013 to 2018 CADILLAC XTS - 2016 CHEVROLET 3500 - 2013 CHEVROLET AVALANCHE - 2013 to 2018 CHEVROLET AVEO - 2017 to 2018 CHEVROLET BOLT EV - 2013 to 2018 CHEVROLET CAMARO - 2013 to 2017 CHEVROLET CAPRICE - 2013 to 2018 CHEVROLET CAPTIVA - 2014 to 2017 CHEVROLET CHEVEROLET SS - 2017 CHEVROLET CHEYENNE - 2015 to 2016 CHEVROLET CITY EXPRESS - 2014 CHEVROLET COLORADO - 2015 to 2018 CHEVROLET COLORADO - 2013 to 2018 CHEVROLET CORVETTE - 2013 to 2018 CHEVROLET CRUZE - 2013 to 2018 CHEVROLET EQUINOX - 2013 to 2018 CHEVROLET EXPRESS - 2013 to 2018 CHEVROLET IMPALA - 2017 CHEVROLET LOW CAB FORWARD 4500 - 2017 CHEVROLET LOW CAB FORWARD 5500 - 2013 to 2018 CHEVROLET MALIBU - 2014 to 2016 CHEVROLET N300 - 2018 CHEVROLET N300 - 2017 CHEVROLET N300 MAX - 2017 CHEVROLET ORLANDO - 2016 to 2018 CHEVROLET S10 - 2017 CHEVROLET SILVERADO - 2013 to 2018 CHEVROLET SILVERADO 1500 - 2013 to 2018 CHEVROLET SILVERADO 2500 - 2013 to 2018 CHEVROLET SILVERADO 3500 - 2013 to 2018 CHEVROLET SONIC - 2013 to 2018 CHEVROLET SPARK - 2014 to 2017 CHEVROLET SPARK EV - 2013 to 2018 CHEVROLET SUBURBAN - 2013 to 2018 CHEVROLET TAHOE - 2017 to 2018 CHEVROLET TRAILBLAZER - 2013 to 2018 CHEVROLET TRAVERSE - 2013 to 2018 CHEVROLET TRAX - 2013 to 2018 CHEVROLET VOLT - 2013 to 2018 GMC ACADIA - 2015 to 2018 GMC CANYON - 2013 to 2018 GMC SAVANA - 2013 to 2018 GMC SIERRA 1500 - 2013 to 2018 GMC SIERRA 2500 - 2013 to 2018 GMC SIERRA 3500 - 2013 to 2018 GMC SIERRA DENALI - 2013 to 2018 GMC TERRAIN - 2013 to 2018 GMC YUKON - 2013 GMC YUKON DENALI - 2013 GMC YUKON DENALI XL - 2013 to 2014 GMC YUKON XL - 2015 to 2018 GMC YUKON XL ## Recalls for the same vehicles and component - [21V496000](/recalls/nhtsa/21V496000.md), 2021-07-01: EQUIPMENT:ELECTRICAL:ENGINE BLOCK HEATER - [19V428000](/recalls/nhtsa/19V428000.md), 2019-06-11: EQUIPMENT - [2018212](/recalls/tc/2018212.md), 2018-04-27: Accessories - [18V267000](/recalls/nhtsa/18V267000.md), 2018-04-26: EQUIPMENT - [16V449000](/recalls/nhtsa/16V449000.md), 2016-06-21: EQUIPMENT:OTHER:LABELS; TIRES - [2015575](/recalls/tc/2015575.md), 2015-11-30: Accessories - [13V544000](/recalls/nhtsa/13V544000.md), 2015-10-30: EQUIPMENT:OTHER:LABELS - [14V706000](/recalls/nhtsa/14V706000.md), 2014-11-05: EQUIPMENT ADAPTIVE/MOBILITY - [14V345000](/recalls/nhtsa/14V345000.md), 2014-06-18: EQUIPMENT; VEHICLE SPEED CONTROL:ACCELERATOR PEDAL - [2014216](/recalls/tc/2014216.md), 2014-06-06: Accessories ## Other bulletins for the same vehicles and component - [PI0572B](/bulletins/10254240.md), 2024-05-06, Service bulletin: EQUIPMENT. Information on COAX Repair Kit Availability. - [PI0488C](/bulletins/10254219.md), 2024-05-06, Service bulletin: EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL; POWER TRAIN. Diagnostic Information for Transmission. - [PI0476A](/bulletins/10254216.md), 2024-05-06, Service bulletin: EQUIPMENT. Revised Installation Instructions for Accessory Windbreak. - [PI0408A](/bulletins/10254205.md), 2024-05-06, Service bulletin: TIRES; EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL. Information on Tire Rotation Recommendations. - [PI0718B](/bulletins/10253616.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Audio System Speaker Rattle, Buzz Noise, Poor Sound - [PI0693C](/bulletins/10253609.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. Unable to Access MP3 Files on CD, Bluetooth Connectivity, No Audio After a Bluetooth CALL. - [PI0688F](/bulletins/10253605.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call. - [PI0688E](/bulletins/10253604.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call. - [PI0688D](/bulletins/10253603.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:INFOTAINMENT:BLUETOOTH/WIFI. Poor Voice Quality During Bluetooth Call or OnStar® Personal Call. - [PI0663F](/bulletins/10253595.md), 2024-04-29, Service bulletin: EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. Factory Settings Option Inoperable, Radio Display Information May Not Match. 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