2012 GMC Sierra 1500: Structure complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 31 owner complaints for the 2012 GMC Sierra 1500 that list the structure component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11395692 (filed 02/11/2021): “Dash cracks everywhere, all attachment points are cracking. no apparent reason other than using a un u.v protected plastic.…”
- NHTSA complaint ODI #11234863 (filed 07/25/2019): “Our gmc has experienced 3 exterior door handle failures. we paid to have the 1st broken handle repaired as it was not operable from the outside. this makes for a dangerous evacuation experience in the event of an emergency. we chose a non-dealer repair facility due to the cost of using a dealer. thi…”
- NHTSA complaint ODI #11083226 (filed 04/04/2018): “My dash is cracking for no apparent reason. it's to a point now of needing replaced and has raised my safety concern for myself and passenger if i was to come involved in a crash by broken large plastic fragments.…”
Likely causes
These complaints do not establish a single root cause; read the examples above and get a diagnosis.
Fix, in plain English
No single fix is established by these reports. Check your VIN for open recalls at nhtsa.gov/recalls, ask a dealer about technical service bulletins (TSBs) or extended warranty coverage, then have the system diagnosed.
DIY difficulty: Varies
Depends on the specific failure; get a diagnosis first. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
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