This preliminary informational bulletin provides a procedure to apply dielectric grease and a piece of adhesive shim stock to the steering angle sensor connector to correct a condition of service stabilitak message displayed in DIC and DTC C0455 or C0710
full bulletin at NHTSA ↗2008 GMC Sierra steering problems
severe Owners of the 2008 GMC Sierra have filed 3 NHTSA complaints about the steering at roughly $700 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See steering across all vehicles →
| Model year | steering complaints |
|---|---|
| 2005 Sierra | 52 |
| 2006 Sierra | 24 |
| 2007 Sierra | 11 |
| 2008 Sierra (this page) | 3 |
| 2009 Sierra | 4 |
| 2010 Sierra | 3 |
| 2011 Sierra | 11 |
| 2012 Sierra | 7 |
Of the 21 model years of GMC Sierra we track for steering problems, this one has the fewest owner complaints on file (3).
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering steering on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This technical bulletin provides a procedure to flush and bleed the power steering system to correct a condition of power steering noise or fluid leak from power steering pump, gear or high pressure hose during extreme low temperature conditions.
full bulletin at NHTSA ↗GM: THERE IS UNWANTED STABILITY ACTION OR STABILITY LIGHT ON. THIS CAN BE CAUSED BY THE SUSPENSION BEING MODIFIED. UPDATED 6/18/12. MODELS 2007-13 ALL ESCALADE; AVALANCHE, SILVERADO, SUBURBAN, TAHOE; SIERRA, SIERRA DENALI, ALL YUKONS. UPDATED 11/28/12. UPDATED 4/1015.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have an instrument panel backlighting flashes, flickers or inoperative, unwanted horn activation, radio controls inoperative or unwanted activation, OnStar unwanted activation, and cruise control inoperative. Technician should inspect for a short to ground on the steering wheel near the Supplemental Inflatable Restraint coil connector X2 and make necessary repairs to any shorted circuits and then position the wiring.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician with the installation of Cruise Control on a vehicle which did not come equipped with the option. Technician will need to contact the Techline Customer Support Center to determine if a calibration is available for the vehicle. If they are able to provide a calibration for the vehicle then order steering wheel with cruise control buttons, steering wheel sir coil, and steering column wiring harness.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 0 most recent
Common questions
How serious is the steering problem on the 2008 GMC Sierra?
It's a meaningful issue. 3 complaints have been filed and the failure mode causes operational problems for owners. Repairs average $700.
At what mileage does the steering typically fail?
Based on the 3 complaints filed, steering issues most often appear around 77,628 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $700 for steering repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to steering?
No active recalls currently cover steering issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.