2006 Gmc Sierra Denali problems, complaints & recalls
Most-reported problem areas: Steering (1) · Service Brakes, Hydraulic (1) · Service Brakes (1)
🧭 Reliability snapshot
Compared against other Gmc Sierra Denali model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (65)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment:other:owners/Service/Other Manual 2017-03-07 · 06-08-47-001M · Service Bulletin/Repair Instructions
this information bulletin explains the labor operation numbers used for submitting warranty claims and how to setup, and reprogram modules.
Equipment:other:owners/Service/Other Manual 2016-03-01 · PIT5484A · Service Bulletin/Repair Instructions
this preliminary information communication advises the technician that if onstar is unable to configure the vehicle after the onstar 15-08-44-001 upgrade and onstar receives a 118 error code when attempting to configure the vehicle. dealers should receive a sheet with the kit that provides steps to
Equipment:electrical 2016-02-23 · PIC5953A · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that may have an issue when using bluetooth voice recognition with an iphone. technician should work with the customer to insure the phone contacts to not have any emojis loaded to any contact.
Equipment:electrical:navigational System(Global Positioning System) 2016-01-27 · 03-08-46-004R · Service Bulletin/Repair Instructions
this informational bulletin provides information on part restriction and ordering process information for onstar vehicle communication interface modules (vcim) (gmna only)
Engine 2016-01-14 · 06-06-01-010C · Service Bulletin/Repair Instructions
this informational bulletin provides information on close coupled converters and there affect on newly installed engines or engines during there break in period.
Engine And Engine Cooling:exhaust System:emission Control:catalytic Convertor 2015-11-30 · PIP5232B · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about gasoline powered cars, mid-size trucks, light duty trucks, and heavy duty trucks with premature catalytic converter failures. it is recommended to inspect for a poor crimp on the grounds ring terminal at the engi
Showing the 6 most recent of 65 bulletins. Search all of them free at nhtsa.gov.
What owners report
2015-03-16 · Steering“the vin number is coming up as a 2006 gmc savanna on your site safecar.gov under recall lookup by vin. it should be 2006 gmc sierra denali 1500 truck.i would like it corrected if possible so i can see current recalls. thank you *tr…”
2013-11-12 · Service Brakes · 70,000 mi“i bought a 2006 sierra denali with 65000 miles on the truck in may of 2013. i lost my brakes and almost rearended a man pulling into his driveway. i also had my 3 kids and my fiance in the truck with me. i took my truck to robertsons gmc in wareham,ma and they told me my brake lines were completely rotted as well as my frame. i also had a extended …”
2012-04-19 · Power Train · 34,650 mi“front differential vibration/noise at 47-70 mph. internal bearings replaced due to significant metal found on magnetic drain plug. technician statement "bearings coming apart" stated. identical complaint with identical repair repeated 4 times within 85,000 miles. first repair occurred at 34,000 miles. latest (4th) performed at 85,919 miles. …”
2011-05-27 · Fuel System, Gasoline · 52,000 mi“tl* the contact owns a 2006 gmc sierra denali. the contact stated that the check engine light illuminated on the instrument panel while driving approximately 45 mph. the vehicle was taken to an independent repair shop where the contact was informed that the fuel system needed to be repaired. the manufacturer was notified of the failure and the cont…”
2010-12-22 · Service Brakes, Hydraulic · 78,300 mi · 💥 crash“2006 sierra denali with just over 75,000 miles. with 1/2 block warning and only traveling at a speed of 20mph, i was unable to come to a complete stop. the brake pedal was all of the way to the floor when i ran into a van in the intersection. i felt very little resistance from the pedal and the abs definitely did not go off. there was no snow or…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.