2020 Chevrolet SONIC

Problems, Recalls & Reliability Report

Excellent Reliability

Quick Summary

The 2020 Chevrolet SONIC has 16 owner complaints filed with NHTSA — that's 0.2x the segment average of 80. The most common issue is electrical problems (38% of all complaints), specifically: 2020 chevrolet sonic. consumer writes in regards to defective keyless ignition. *ld the consumer stated the it was possible to turn off the keyless entry without first putting the vehicle in park. it is also possible to shift out of park before starting the ignition. *js.

Total Complaints

Recalls Issued

—/5

Safety Stars

0.2x

vs Segment Avg

Known Problems

ELECTRICAL

6 complaints

38%

• 2020 CHEVROLET SONIC. CONSUMER WRITES IN REGARDS TO DEFECTIVE KEYLESS IGNITION. *LD THE CONSUMER STATED THE IT WAS POSSIBLE TO TURN OFF THE KEYLESS ENTRY WITHOUT FIRST PUTTING THE VEHICLE IN PARK. IT IS ALSO POSSIBLE TO SHIFT OUT OF PARK BEFORE STARTING THE IGNITION. *JS
• MANUFACTURERS OWNERS MANUAL INSTRUCTIONS MAY LEAD TO TRANSMISSION / ELECTRICAL FAILURES WHICH MAY CAUSE AN ACCIDENT WHEN TRAVELING. THE RECREATIONAL TOWING INSTRUCTIONS REQUIRE THAT FUSES BE REMOVED (STEP 5) BEFORE NEXT STEPS INCLUDING SHIFTING VEHICLE INTO PARK AND TURNING IGNITION TO THE ON POS
• UNKNOWN -- During driving the vehicle the radio and power steering will stop working, locks and key for occasionally have issues, and the car shuts down and has to be re-started. Sometimes will take a minute or two to be able to be re-started. If car stalls at high speeds could cause a catastrophi

Typical onset: 50K miles Est. repair: $500

“2020 CHEVROLET SONIC. CONSUMER WRITES IN REGARDS TO DEFECTIVE KEYLESS IGNITION. *LD THE CONSUMER STATED THE IT WAS POSSIBLE TO TURN OFF THE KEYLESS ENTRY WITHOUT FIRST PUTTING THE VEHICLE IN PARK. IT IS ALSO POSSIBLE TO SHIFT OUT OF PARK BEFORE STARTING THE IGNITION. *JS”

— NHTSA complaint filing

TRANSMISSION

3 complaints

19%

• MANUFACTURERS OWNERS MANUAL INSTRUCTIONS MAY LEAD TO TRANSMISSION / ELECTRICAL FAILURES WHICH MAY CAUSE AN ACCIDENT WHEN TRAVELING. THE RECREATIONAL TOWING INSTRUCTIONS REQUIRE THAT FUSES BE REMOVED (STEP 5) BEFORE NEXT STEPS INCLUDING SHIFTING VEHICLE INTO PARK AND TURNING IGNITION TO THE ON POS
• UNKNOWN -- During driving the vehicle the radio and power steering will stop working, locks and key for occasionally have issues, and the car shuts down and has to be re-started. Sometimes will take a minute or two to be able to be re-started. If car stalls at high speeds could cause a catastrophi
• 1st occurence at approximately 37k miles on Vehicle has issue based on climate temperature sensor triggers a computer code 84 vehicle goes into limp mode to prevent engine failure however, this happens instantly no time to react and more than one occasion creating a hazardous driving situation in he

Typical onset: 50K miles Est. repair: $500

“MANUFACTURERS OWNERS MANUAL INSTRUCTIONS MAY LEAD TO TRANSMISSION / ELECTRICAL FAILURES WHICH MAY CAUSE AN ACCIDENT WHEN TRAVELING. THE RECREATIONAL TOWING INSTRUCTIONS REQUIRE THAT FUSES BE REMOVED (STEP 5) BEFORE NEXT STEPS INCLUDING SHIFTING VEHICLE INTO PARK AND TURNING IGNITION TO THE ON POS”

— NHTSA complaint filing

ENGINE

2 complaints

13%

• 1st occurence at approximately 37k miles on Vehicle has issue based on climate temperature sensor triggers a computer code 84 vehicle goes into limp mode to prevent engine failure however, this happens instantly no time to react and more than one occasion creating a hazardous driving situation in he
• Engine Cooling System (Thermostat Housing / Water Outlet) The vehicle suffered a premature structural failure of the factory engine coolant thermostat housing. The component, which is manufactured from a fragile plastic composite, cracked completely open without warning, causing an immediate, rapid

Typical onset: 50K miles Est. repair: $500

“1st occurence at approximately 37k miles on Vehicle has issue based on climate temperature sensor triggers a computer code 84 vehicle goes into limp mode to prevent engine failure however, this happens instantly no time to react and more than one occasion creating a hazardous driving situation in he”

— NHTSA complaint filing

AIR BAGS

1 complaints

• The contact owns a 2020 Chevrolet Sonic. The contact stated that while her granddaughter was driving approximately 40 mph, the front driver’s and passenger’s side air bags erroneously deployed causing the driver to lose control of the steering wheel and the vehicle drove off the roadway. The vehicle

Typical onset: 50K miles Est. repair: $500

“The contact owns a 2020 Chevrolet Sonic. The contact stated that while her granddaughter was driving approximately 40 mph, the front driver’s and passenger’s side air bags erroneously deployed causing the driver to lose control of the steering wheel and the vehicle drove off the roadway. The vehicle”

— NHTSA complaint filing

STEERING

1 complaints

• UNKNOWN -- During driving the vehicle the radio and power steering will stop working, locks and key for occasionally have issues, and the car shuts down and has to be re-started. Sometimes will take a minute or two to be able to be re-started. If car stalls at high speeds could cause a catastrophi

Typical onset: 50K miles Est. repair: $500

“UNKNOWN -- During driving the vehicle the radio and power steering will stop working, locks and key for occasionally have issues, and the car shuts down and has to be re-started. Sometimes will take a minute or two to be able to be re-started. If car stalls at high speeds could cause a catastrophi”

— NHTSA complaint filing

Estimated Repair Costs

ELECTRICAL(~50K mi)

$500

TRANSMISSION(~50K mi)

$500

ENGINE(~50K mi)

$500

AIR BAGS(~50K mi)

$500

STEERING(~50K mi)

$500

Estimates based on average reported repair costs. Actual costs vary by location, shop, and severity.

🔍 Pre-Purchase Inspection Checklist

Based on 16 owner complaints for this specific year, here's what to check or ask about:

☐
ELECTRICAL: 2020 CHEVROLET SONIC. CONSUMER WRITES IN REGARDS TO DEFECTIVE KEYLESS IGNITION. *LD THE CONSUMER STATED THE IT WAS POSSIBLE TO TURN OFF THE KEYLESS ENTRY WITHOUT FIRST PUTTING THE VEHICLE IN PARK. IT IS ALSO POSSIBLE TO SHIFT OUT OF PARK BEFORE STARTING THE IGNITION. *JS
Typically appears around 50K miles. Repair cost ~$500
☐
TRANSMISSION: MANUFACTURERS OWNERS MANUAL INSTRUCTIONS MAY LEAD TO TRANSMISSION / ELECTRICAL FAILURES WHICH MAY CAUSE AN ACCIDENT WHEN TRAVELING. THE RECREATIONAL TOWING INSTRUCTIONS REQUIRE THAT FUSES BE REMOVED (STEP 5) BEFORE NEXT STEPS INCLUDING SHIFTING VEHICLE INTO PARK AND TURNING IGNITION TO THE ON POS
Typically appears around 50K miles. Repair cost ~$500
☐
ENGINE: 1st occurence at approximately 37k miles on Vehicle has issue based on climate temperature sensor triggers a computer code 84 vehicle goes into limp mode to prevent engine failure however, this happens instantly no time to react and more than one occasion creating a hazardous driving situation in he
Typically appears around 50K miles. Repair cost ~$500
☐
AIR BAGS: The contact owns a 2020 Chevrolet Sonic. The contact stated that while her granddaughter was driving approximately 40 mph, the front driver’s and passenger’s side air bags erroneously deployed causing the driver to lose control of the steering wheel and the vehicle drove off the roadway. The vehicle
Typically appears around 50K miles. Repair cost ~$500
☐
General: Get a pre-purchase inspection from an independent mechanic ($100-$200)