February 21: GM Brake Booster Vacuum Pump Failures Cause Lawsuit news | 1 days ago
February 21: Recall: GM Rear Wheels Lockup While Driving recalls | 1 days ago
January 19: GM Engine Failure Recall Investigation Opened investigations | 34 days ago
January 2: GM Says Brake Master Cylinder Failure Lawsuit Fails news | 51 days ago
December 28: GM Lifter Failure Lawsuit Includes Multiple Models news | 56 days ago
GMC TSB #PIE0525
2016 GMC Canyon
TSB Document:
Affected Component: POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)
- Summary
- This engineering informational bulletin is requesting information on the 4WD will not engage when requested.
Click a tab for more information.




