WenmarOpen by Wenmar Pro

Service bulletins for the 2012 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.

1782 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Only bulletins with component: Transfer case are shown. Show all

Bulletins, newest first
PIP3366C2018-08-20. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); POWER TRAIN:AUTOMATIC TRANSMISSION. This Preliminary information communicates to the dealer technician thatLight Duty Trucks equipped with automatic transmissions and 4 wheel drive may exhibit a condition of grinding/ratcheting type noise when shifting the automatic transmission into park while the transfer case is in 4 wheel drive low (4LO) range. Dealers technician's are advised this condition should be deemed a normal characteristic of 4WD low operation.
060089026N2018-06-04. Service bulletin. ELECTRICAL SYSTEM; VISIBILITY:SUN/MOON ROOF ASSEMBLY; STRUCTURE:BODY:DOOR; POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE); VISIBILITY:WINDSHIELD; ELECTRONIC STABILITY CONTROL (ESC). This warranty bulletin provides labor operation numbers for customer concerns that cant be duplicated.
SB-PIE-0225-B2016-06-17. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIP5080B2016-04-26. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SUMMARY TO BE PROVIDED ON A FUTURE DATE.
PIE-0225-B2012-12-10. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). CHEVROLET/GMC: THE 4WD FAILS TO ENGAGE WHEN SERVICE 4WD INDICATOR ILLUMINATES AND TRANSFER CASE CONTROL MODULE (TCCM) REPORTS POSSIBLE C0379 SET. MODELS 2012-2013 AVALANCHE, SILVERADO, SUBURBAN, TAHOE, SIERRA, YUKON, YUKON XL. *PE

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.