U0028 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
CADILLAC, CHEVROLET, GMC
Reported code forms U0028 U0028-88
This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028 U0028-88
This PI communicates an issue where the Brake System Control Module DTC: U0028-88 and U0037-88 diagnostics are backwards and follow the diagnostic procedure for U0037 if U0028 is set and vice versa.
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AUDI
Reported code forms U002800
This bulletin provides information when there is an MHEV Electrical System Fault with DTC U046900 / 34763; U002900/U002800.
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AUDI
Reported code forms U002800
This bulletin provides information when there is an MHEV Electrical System Fault with DTC U046900 / 34763; U002900/U002800.
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ISUZU
Reported code forms U0028
Dealers, upfitters or bodybuilders may notice various warning lights on the dash illuminating and certain DTCs without an apparent cause during the initial installation and connection of telematics, GPS, and/or other…
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AUDI
Reported code forms U002800
This bulletin contains repair instructions for when there is a wiring harness that has been chafed, DTCs U121C00, U011000, U003600, U002800, U002900, U140500, P0A2F00, and/or P0A1B00 may be stored.
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms U0028
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…
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BUICK
Reported code forms U0028
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…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that have a reduced or loss of power steering assist, steering wheel jerks or kicks back when turning, Service Stabilitrak…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms U0028
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…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
THIS PRELIMINARY INFORMATION COMMUNICATION PROVIDES INFORMATION TO THE TECHNICIAN FOR A REDUCED POWER MESSAGE, STEERING ASSIST, ENGINE STALL OR THE INSTRUMENT PANEL, RADIO, AND OR HEATER-VENT-AIR CONDITIONING GO BLANK…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms U0028
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…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms U0028
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…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician for a reduced power message, steering assist, engine stall or the instrument panel, radio, and or Heater-Vent-Air Conditioning go blank…
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BUICK, CADILLAC, CHEVROLET, GMC
Reported code forms U0028
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…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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CADILLAC, CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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CHEVROLET, GMC
Reported code forms U0028
This Preliminary Information communication provides information to the technician about vehicles that may have any of these concerns remote keyless entry, passive Entry and Start Inoperative, No Fob detect message on…
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