2011 Chevrolet Avalanche 1500 problems & reliability
28 owner complaints filed with NHTSA for the 2011 Chevrolet Avalanche 1500, alongside 2 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.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Air Bags → | 11 | 39% |
| Unknown OR Other | 11 | 39% |
| Electrical System | 4 | 14% |
| Structure | 4 | 14% |
| Electronic Stability Control (esc) | 3 | 11% |
| Engine | 3 | 11% |
| Power Train | 3 | 11% |
| Vehicle Speed Control | 2 | 7% |
| Engine and Engine Cooling | 1 | 4% |
| Service Brakes, Hydraulic | 1 | 4% |
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 50,000 miles (middle 50% between 34,256 and 80,000 miles), based on 21 complaints that included mileage.
Complaints by incident year
What owners report
“Service stabilitrac system indication comes on, with check engine light, and engine power reduced. Happens randomly, cannot find a "common cause" spent lots of money on pcm, bcm, memory seat module, battery cables, battery, brake light switch, etc. Etc. Dangerous condition when vehicle drops into power reduction mode.”
Electrical System · filed Feb 18, 2019
“Safety issue. Dash is cracking near airbag. This could possibly cause premature deployment of airbag or shrapnel from dash causing harm during deployment. Dash is also cracking over steering wheel area.”
Structure · filed Dec 3, 2018
“Takata recall; no gm remedy from tn chevrolet dealers. Live in martin, tn. 38237 notr: below date field will not allow prior year date; recall +2 years outstanding with no remedy via gm to date.”
Air Bags · filed Apr 14, 2018
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
342 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2011 Chevrolet Avalanche 1500. 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 preliminary information advises a dealer on how to email GDS2 session logs into Technical Assistance.
PIP4902S · Service Bulletin/Repair Instructions · issued Jun 9, 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 2011 Chevrolet Avalanche 1500 has 2 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 2011 Chevrolet Avalanche 1500?
- · 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 50,000 miles — budget accordingly if the car is approaching that mileage.