repaired · 2022 Q4
Tires
Risk. Over cured tires may develop a break in the sidewall resulting in sudden air loss or a belt edge separation which could lead to a tread/belt loss.
2020 Chevrolet BlazerProblems, recalls & complaints
NHTSA has logged 224 owner complaints about the 2020 Chevrolet Blazer, most often about the electrical system. It is covered by 3 safety recalls, and for recall 21V-115 the manufacturer reports only 75% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through October 22, 2026. Updated daily. Photo: Kevauto, CC BY-SA 4.0.
Complaints by system
Where the 2020 Chevrolet Blazer has problems
224 complaints grouped by the system owners reported.
78Electrical system1 crash/fire/injury
75Power train2 crash/fire/injury
71Engine1 crash/fire/injury
43Steering
10Service brakes
5Lane departure
4Fuel/propulsion system
4Vehicle speed control
4Suspension
2111 other systems5 crash/fire/injury
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Electrical system | 78 | 1 |
| Power train | 75 | 2 |
| Engine | 71 | 1 |
| Steering | 43 | 0 |
| Service brakes | 10 | 1 |
| Lane departure | 5 | 0 |
| Fuel/propulsion system | 4 | 1 |
| Vehicle speed control | 4 | 0 |
| Suspension | 4 | 1 |
| 11 other systems | 21 | 5 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
3 recalls
2020 Chevrolet Blazer recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2023 Q2
Power train: automatic transmission
Risk. Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a…
repaired · 2022 Q2
Curtain: inflator
Risk. If the diffuser separates from the inflator during deployment, RRAB performance may be degraded, increasing the risk of injury in a crash.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Chevrolet.
Owner-reported costs
What owners say repairs cost
Dollar amounts owners wrote in their complaints when describing a repair or a quote. These are not price estimates; a system is shown only when at least 8 owners mentioned a cost.
Power train
8 owners mentioned a cost$1,308median
Middle half: $1,075 – $2,750
If a problem is covered by a recall, the dealer fixes it for free. Some manufacturers also reimburse owners who paid for a repair before a recall was announced.
Best & worst years
2020 vs. every other Blazer year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the Blazer median. How we score
'69'72'73'74'76'77'78'79'80'81'82'83'84'85'86'87'88'89'90'91'92'93'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'19'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2020 Chevrolet Blazer safety ratings
2020 Chevrolet Blazer SUV AWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 4 stars (14.7% risk)
- Stability control: Standard
- Forward collision warning: Optional
- Lane departure warning: Optional
In owners' words
What Blazer owners report
Recent electrical system complaints filed with NHTSA, shortened. Personal details are removed.
Warning on console “Steering Assist is Reduced Drive with Care” and radiator fan turns on right away at full speed.. this has been reported in similar models and years.. but does not include this particular vehicle year and VIN
My 2020 Chevrolet Blazer experienced severe mechanical problems, including stuttering, loss of power, and the engine shutting off unexpectedly while I was driving. The vehicle subsequently would not operate normally. On February 25, 2026, Rick Hendrick Chevrolet Duluth performed a diagnostic…
This happened back in May and the dealership couldn’t find anything wrong and it happened again today. I am driving and the car will shut off. A message pops up saying shift to neutral and press start again. It’s very dangerous and frustrating.
Own a 2020 Blazer?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.