2012 Chevrolet Tahoe: Electrical System complaints
Owner-reported issue (NHTSA complaints, not a recall)
Symptoms
NHTSA has 13 owner complaints for the 2012 Chevrolet Tahoe that list the electrical system component. Complaints are individual owner reports, not verified defects.
Examples:
- NHTSA complaint ODI #11416315 (filed 05/12/2021): “Dash cracking. this is a known issue with these vehicles and gm needs to fix it. every one i have seen does this. they crack near the airbag originally, which mine is. it is beginning to crack in other places. the sharp edges have cut my finger before while just wiping the dash. the sharp edge…”
- NHTSA complaint ODI #11362432 (filed 10/02/2020): “While driving down the road my vehicle shuts down on occasion. interior lights, radio, dash panel, transmission and engine shut down while driving. also door locks, lock and unlock. this has happened multiple times. last year i was told that the problem was repaired after i was nearly hit at a high …”
- NHTSA complaint ODI #11349658 (filed 08/16/2020): “While driving my 2012 tahoe my vehicle shut off and i went to hit my brakes to stop i had no brakes so as i was coming to a curve i couldn't turn the wheel , luckily i wasn't driving at a fast speed . i was going 30 so i had to wait for vehicle to stop and put in park and restarted vehicle , it did …”
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: Moderate
Finding and splicing chewed wiring is doable with a multimeter and patience but can be time-consuming; harness replacement is pro work. (Our assessment.)
Cost
No sourced cost range for this issue. Get a written quote after diagnosis.
Typical parts (search links, no affiliate codes)
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Sources
Page last updated .