2012 Chevrolet Avalanche problems & reliability
36 owner complaints filed with NHTSA for the 2012 Chevrolet Avalanche, alongside 3 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
2 complaints report injuries (2 injured).
Federal crash records (FARS 2020–2023): 2012 Chevrolet Avalanche vehicles were involved in 7 fatal crashes with 1 occupant death. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Unknown OR Other | 17 | 47% |
| Air Bags | 6 | 17% |
| Engine | 3 | 8% |
| Power Train | 3 | 8% |
| Steering | 2 | 6% |
| Structure | 2 | 6% |
| Vehicle Speed Control | 2 | 6% |
| Wheels | 2 | 6% |
| Electrical System | 1 | 3% |
| Exterior Lighting | 1 | 3% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 45,164 miles (middle 50% between 28,964 and 72,750 miles), based on 24 complaints that included mileage.
Complaints by incident year
What owners report
“Rear control arms were rusted out and fell off the frame. Additionally with that happening the rear drive shaft was pulled out from transmission and could cause a vehicle to flip. Upon further investigation body frame was extremely rusted for a truck this age. 85450 mes on it.”
Suspension · filed May 5, 2024
“The vehicle is displaying error messages Reduced Engine Power, Service Stabilitrak, Service Traction Control. It also has the related service indicator lights for the Stabilitrak, the Traction Control, and the Check Engine Light is on. There is a service bulletin for this issue that only addresses the 2008-2011 model…”
Fuel/propulsion System · filed Sep 11, 2022
“There is a problem with GM vehicles developing cracked dashboards including my own. The cracks are happening around/above the instrument cluster and more importantly, around the airbag. I am concerned that the defected dashboard would cause some sort of airbag puncture if it were deployed causing serious injury…”
Unknown OR Other · filed Mar 29, 2022
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Desiccated Air Bag Inflator Rupture
Engineering Analysis EA21002 · opened Sep 17, 2021 · open
Technical service bulletins
1,541 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2012 Chevrolet Avalanche. The 10 most recent:
This preliminary information communicates information about how to determine if a wheel and tires size change is available.
PIT3271Q · Service Bulletin/Repair Instructions · issued Apr 1, 2026
This Preliminary information communicates the steps on how to save a GDS2 Session Log and upload to a Technical Assistance Case in CX Connect.
PIP6104 · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902V · Service Bulletin/Repair Instructions · issued Mar 9, 2026
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier…
PIT6400A · Service Bulletin/Repair Instructions · issued Jan 16, 2026
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902U · Service Bulletin/Repair Instructions · issued Jan 8, 2026
This Preliminary Information communication provides information to the technician about vehicles that have had multiple repair attempts that are being performed on customer’s vehicles that exhibit vibration conditions…
PIT5214G · Service Bulletin/Repair Instructions · issued Nov 20, 2025
New Vehicle Monitoring Programs Section in IVH
13598 · Other · issued Sep 9, 2025
This preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902T · Service Bulletin/Repair Instructions · issued Aug 14, 2025
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…
PIC5650M · Service Bulletin/Repair Instructions · issued Aug 7, 2025
This PI Communications information on an alternative product dealers can use to perform 19-NA-255: Wax Coating on Frame Peeling, Metal Shows Corrosion/Rusting due to issue with getting product from current supplier…
PIT6400 · Service Bulletin/Repair Instructions · issued Jun 17, 2025
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2012 Chevrolet Avalanche has 3 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2012 Chevrolet Avalanche?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 45,164 miles — budget accordingly if the car is approaching that mileage.