2008 Gmc Sierra Denali problems, complaints & recalls
Most-reported problem areas: Structure:body (3) · Structure:body:door (2) · Air Bags (2)
🧭 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 (1,154)
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.
Unknown Or Other 2025-09-09 · 13598 · Other
new vehicle monitoring programs section in ivh
Unknown Or Other 2025-08-07 · PIC5650M · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about vehicles that have an intermittent no crank, no start, or start stall concern with the security light coming on. technician may find diagnostic trouble codes b3055, b3060, b3935, c0750, c0755, c0760, c0765, and/o
Unknown Or Other 2025-07-18 · PIP5601C · Service Bulletin/Repair Instructions
this pi communicates the requirement to provide a pico file to receive diagnostic assistance from tac.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Unknown Or Other 2025-05-30 · PIT5074R · Service Bulletin/Repair Instructions
this preliminary information communication provides information to the technician about the use of j-35616-64b and mini 50 terminal test probe, replacement terminals, and terminated leads.
Showing the 6 most recent of 1,154 bulletins. Search all of them free at nhtsa.gov.
What owners report
2019-06-16 · Air Bags · 213,000 mi“takata recall went back to local chevy gmc dealer again for the second time in almost 3 years since i received my recall letter from gm. they looked up recall and again told me that it has been recalled but they haven't agreed on whose going to fix the problem. i am tired of waiting and driving a truck that in my opinion is not safe to drive with t…”
2018-03-09 · Air Bags“takata recall we got the truck 5/23/2015 we received the recall on the air bags few months later we took the truck in to the dealer ship on06/2/2017 they told us they did not have the part to fix it but they are the ones that told us to bring it in so we got home i called the recall number then they told me that the place is fighting to not fix it…”
2017-08-10 · Unknown Or Other · 120,000 mi“dash board in cracking in two places over the speedometer and two places above the airbag. cracks are continuing to appear on my dashboard which raises a concern of whether it would shatter if the airbag was to inflate during a accident.…”
2016-01-17 · Structure:body“major issue involving cracking of dash around passenger airbag opening and instrument cluster area. i have noticed several vehicles covering all years and usage with similar cracks some major. concerned that if an accident with front air bag deployment injury could occur due to fractured plastic.…”
2015-10-23 · Unknown Or Other“dash is cracked in three places, the same as all the others. door handles peeling and cut my child's had…”
2015-06-03 · Latches/Locks/Linkages:doors:latch · 5,000 mi“tl* the contact owns a 2008 gmc sierra denali. the contact stated all the door latch handles repeatedly broke. the contact's son attempted to open the door and the handle completely failed. the failure occurred more than seven times. the vehicle was not diagnosed or repaired. the manufacturer was made aware of the failure. the failure mileage was 9…”
2014-12-18 · Electrical System · 91,030 mi“i was driving on the highway when all the lights on the instrument cluster came on and went crazy and so did the radio. the trucks brakes locked up and came to a complete stop. the truck turned off and when i tried to turn it back on it was dead. open up the hood and disconnected the battery and reconnected and the truck turned on this has not been…”
2014-10-02 · Service Brakes · 128,000 mi“my truck started to activate the brakes in the middle of the 3 lane 680 freeway, doors started to lock and unlock, navigation went dark, multiple different displays on dashboard, number of lights from the air conditioner unit, came on. acceleration or brakes would not respond, we were unable to drive off the freeway. it was a scary moment, we were…”
2014-06-25 · Structure:body · 8,822 mi“gmc has the door handles made in mexico out of plastic. when you go to open the door the handle breaks off in your hand. gmc knows this a major design flaw but refuses to stand behind the problem. just google "gm door handles break" and hundreds of postings come up! my child went to get into the truck the other day and the handle broke off in his h…”
2014-01-10 · Structure · 58,000 mi“dash cracked top left corner passenger side air bag. this is a very common problem simply google gmc cracked dash and you shall see. if the air bag deploys plastic shrapnel would be sent all over the cabin. very dangerous problem that gm is ignoring a recall should be issued. *tr…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.