Car · Toyota problems

2020 Toyota Corolla problems

311 owner complaints filed with NHTSA for the 2020 Toyota Corolla. The most reported area is engine and engine cooling (36% of them). NHTSA also lists 95 service bulletins and 4 recall campaigns.

Counts are what owners told NHTSA, as filed. NHTSA does not confirm each report, and a complaint is not proof of a cause. Injuries: 23. Deaths: 1.

Complaints by area

Each bar is the share of this model year's 311 complaints that name that area. A complaint can name more than one area, so the shares add up to more than 100%.

• Engine and engine cooling112 · 36%
• Other or unknown79 · 25%
• Power train (transmission and drive)40 · 13%
• Electrical system34 · 11%
• Service brakes24 · 8%
• Air bags18 · 6%
• Fuel system17 · 5%
• Visibility and wipers17 · 5%

15 smaller areas not shown (65 complaints in total).

Do not compare models by these numbers. NHTSA has no sales count for each model, so a model with more complaints may just have sold more cars. Use them to see which areas owners write about, not to rank cars.

Service bulletins

NHTSA's database lists 95 repair bulletins from Toyota for the 2020 Toyota Corolla. A bulletin is a repair instruction sent to dealers. It is not a recall and does not mean your car is covered. The 8 newest:

1. 24TE04Received September 9, 2026

   Engine and engine cooling

   Although the flow shut-off valve is covered by Toyota's New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers' ownership experience.

2. T-SB-0104-21 Rev2Received March 7, 2026

   Engine and engine cooling

   OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.

3. T-SB-0001-26Received February 11, 2026

   Electrical system

   Some 2018 - 2024 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest...

4. T-SB-0055-24 Rev2Received February 11, 2026

   Some 2005 - 2026 Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty odor is present.

5. T-SB-0106-22 Rev2Received February 11, 2026

   Electrical system

   OBSOLETE NOTICE January 30, 2026: This bulletin is now obsolete.

6. T-SB-0059-25Received September 9, 2025

   Engine and engine cooling

   Some 2020 - 2025 model year Corolla vehicles may exhibit a vibration or rattle noise from the right-hand engine mounting insulator sub-assembly.

7. T-SB-0088-23 Rev2Received September 9, 2025

   Engine and engine cooling

   OBSOLETE NOTICE August 19, 2025: This bulletin is now obsolete.

8. T-SB-0010-24 Rev2Received July 10, 2025

   Electrical system

   P030027 - Random/Multiple Cylinder Misfire Detected (Emission) Signal Rate of Change Above Threshold.

Recalls

NHTSA lists 4 recall campaigns for the 2020 Toyota Corolla. Recall repairs are free at a Toyota dealer. The 3 to look at first:

1. 23V865000December 20, 2023

   Air bags

   A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.

2. 20V682000November 4, 2020

   Fuel system, gasoline

   The low-pressure fuel pump inside the fuel tank may fail.

3. 19V877000December 11, 2019

   Seat belts

   The seat belt webbing sensor locking mechanism may not lock as intended.

See all 4 recalls for the 2020 Toyota Corolla, or check your VIN below to see which are open on your car.

Common repairs in this area (not a diagnosis)

These are repair jobs that sit in the areas owners report most. A complaint may need a diagnosis first: the same symptom can come from many causes, and a serious one such as engine failure is not fixed by a cheap part. They are not a forecast of what your Corolla will need. Ranges are US estimates for all makes.

Start with a diagnosis

• Diagnostic scan (check engine light)$55 to $250

Engine and engine cooling 112 complaints · 36%

No repair price here: this area usually needs a diagnosis first. A diagnostic scan (check engine light) runs $55 to $250.

Power train (transmission and drive) 40 complaints · 13%

• Transmission fluid service$140 to $480
• Transmission solenoid replacement$290 to $1,200
• Torque converter replacement$880 to $2,475
• Clutch replacement (manual transmission)$1,000 to $2,050

Electrical system 34 complaints · 11%

• Battery replacement$150 to $470
• Alternator replacement$360 to $930
• Starter replacement$280 to $740
• Battery cable replacement$100 to $340

Service brakes 24 complaints · 8%

• Brake pad replacement (front)$190 to $400
• Brake rotors and pads (front)$320 to $790
• Brake pad replacement (rear)$180 to $420
• Brake caliper replacement (one wheel)$240 to $590
• Brake fluid flush$75 to $180

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Check your VIN

Complaints and bulletins cover a whole model year. Only the VIN shows what is open on your car.

By VIN By year, make and model

VIN (17 characters, on the dashboard by the windshield or the driver door jamb)

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Recall and complaint data comes from NHTSA, the US government's vehicle safety agency, and is cached for up to a day. Recall repairs at a dealer are free. A recall that is not listed may not apply to your car or may not be filed yet. Check nhtsa.gov/recalls too.

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2020 Toyota Corolla: questions

What are the most common problems on the 2020 Toyota Corolla?

Of the 311 owner complaints filed with NHTSA for the 2020 Toyota Corolla, 112 (36%) name engine and engine cooling, and 40 (13%) name power train (transmission and drive). A complaint can list more than one area, so the shares add up to more than 100%. These are owner reports, not proven causes.

Is the 2020 Toyota Corolla reliable?

These numbers cannot say. NHTSA complaints have no sales count to compare against, so a high number on one model does not mean it fails more than another. Use them to see which areas owners write about, then check your own VIN for open recalls.

Do these complaints include crashes or fires?

Owners marked 22 of the 311 complaints as involving a crash and 1 as involving a fire. They also reported 23 injuries and 1 death. NHTSA records these as the owner reports them and does not confirm each one.

How many recalls does the 2020 Toyota Corolla have?

NHTSA lists 4 recall campaigns for the 2020 Toyota Corolla. Recall repairs are free at a Toyota dealer. Enter your VIN to see which ones are open on your car.

What is a service bulletin?

A service bulletin is a repair instruction a maker sends to its dealers. It is not a recall, and it does not mean your car is covered. NHTSA lists 95 repair bulletins for the 2020 Toyota Corolla.

More

• 2019 Corolla problems
• 2016 Corolla problems
• 2015 Corolla problems
• 2014 Corolla problems
• 2013 Corolla problems
• 2012 Corolla problems
• 2011 Corolla problems
• 2010 Corolla problems
• 2020 recalls
• All Toyota recalls
• Toyota problems by model
• Check-engine codes

Sources

• NHTSA complaint and technical service bulletin files, checked October 29, 2026
• NHTSA recalls

Complaint, bulletin and recall counts come from NHTSA as filed. Repair prices are estimates from our own ranges. Not a repair shop, estimates only.