This Preliminary Information communication advises the technician that on a 2mode Truck that is setting a p079C, it could be a torn seal. if it was before the serail # listed
full bulletin at NHTSA ↗2008 GMC Yukon cruise control problems
moderate 5 complaints filed with NHTSA · avg repair $600 · see cruise control across all vehicles →
Among the 8 model years of GMC Yukon in our records for cruise control problems, this one ranks #3 by owner-complaint volume.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering cruise control 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 Preliminary Information communication provides information to the technician about vehicles that the speedometer needle appears to be inaccurate. Dealer should advise the customer the specification for speedometer needle accuracy is +/- 2 MPH at any given speed when looking straight at the needle.
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that may have a Service Engine Soon Malfunction Indicator Lamp on or reduced engine power message. Technician may find Diagnostic Trouble Codes P2120, P2122, P2123, P2125, P2127, P2128, and/or P2138. Technician will need to inspect the Accelerator Pedal Position circuits for poor terminal tension.
full bulletin at NHTSA ↗Special Coverage Adjustment ? Throttle Position Sensor Replacement
full bulletin at NHTSA ↗This Preliminary Information communication provides information to the technician about vehicles that have Diagnostic Trouble Code B2555 may be found in a Driver and/or Passenger Door Module. Technician should ignore the Diagnostic Trouble Code if set in a driver door module and/or Passenger Door Module on a vehicles not equipped with front door panel courtesy lights.
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 cruise control problem on the 2008 GMC Yukon?
It's a documented issue but not catastrophic. 5 complaints have been filed. Repairs average $600 and most owners catch it before it causes a breakdown.
At what mileage does the cruise control typically fail?
Based on the 5 complaints filed, cruise control issues most often appear around 50,369 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 $600 for cruise control 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 cruise control?
No active recalls currently cover cruise control 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.