Service bulletins for the 2005 GMC Yukon
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.
789 on file from NHTSA, as of 2026-10-19.
About B2455 on the 2005 GMC Yukon: what the code means, and the bulletins and recalls about the same components.
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Only bulletins with trouble code: B2455 are shown. Show all
| PIC6140A | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access to the Vehicle Communication Interface Module pull the tape back on the X2 connector then tape the bare wires individually to prevent them from shorting. |
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| PIC6140B | 2017-08-15. Service bulletin. ELECTRICAL SYSTEM. This Preliminary Information communication provides information to the technician about vehicles that has a red LED and DTC B2455 setting current in the Vehicle Communication Interface Module after performing Canada upgrade. Technician will need to gain access to the Vehicle Communication Interface Module. After gaining access to the Vehicle Communication Interface Module pull the tape back on the X2 connector then tape the bare wires individually to prevent them from shorting. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.