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2021 Chevrolet Suburban: problems, recalls and reliability

12 recalls and 185 owner complaints on record; the weakest area is engine (35% of complaints); the 2019 and 2020 model years look more trouble-free.

Data updated weekly · 10 new complaints in the last 90 days · latest recall Apr 2025

12
recalls
185
owner complaints
1
fire reports
66,000
typical failure mileage, mi

All counts are reports filed with NHTSA in the United States - US market only, not worldwide totals.

NHTSA crash testOverall ★★★★Front ★★★★Side ★★★★★Rollover ★★★★★
4-star NHTSA overall safety ratingOne of the most complained-about Suburban years (#3 of 37, age-adjusted)Weak spot: engine (35%)1 fire report

Common problems

Computed from 185 owner complaints filed with NHTSA for this exact model year.

Engine (engine mechanics)35% · 62 complaints
Power Train (transmission, axles, driveline)15% · 27 complaints
Fuel/Propulsion System (fuel pump, tank, lines)11% · 19 complaints
Electrical System (battery, wiring, electronics)6% · 11 complaints
Fuel System, Gasoline (fuel pump, tank, lines)4% · 7 complaints
Engine And Engine Cooling (engine, radiator, overheating)4% · 7 complaints
Fuel pulp module failed on highway. Was told there is not a recall on my VIN even tho online there is a recall and known issue for the partOwner report · Fuel System, Gasoline · Aug 2026
Pulled out in 4 lane traffic. Got almost to 55mph. Vehicle lost all power, slowed down and auto shifted to neutral, vehicle stopped and went to park. Vehicle would not start back nor transition to Neutral to remove from highways. 2021 suburban with just 35,000miles. Shut down a lane on a 55mph highway. Code P129FOwner report · Fuel/Propulsion System · Jul 2026
2021 Chevy Suburban started to have harsh shifting particularly on acceleration and shuddering at higher rates of speed (feeling like you are driving over a rumble strip). I took it to the dealer, and they confirmed the torque converter was in the process of failing. It's currently in the shop getting a new torque converter. No warning messages/lights had yet appeared. Technician at dealer stated that this was a common failure with this model.Owner report · Power Train · Jun 2026
Show 7 more owner reports
Vehicle stalled during routine driving. Code P129F. I was stranded in 95 degree weather with three small children. Please correct and advise ASAP. Had to be towed home. Vehicle inoperable.Owner report · Fuel/Propulsion System · May 2026
The contact owns a 2021 Chevrolet Suburban. The contact stated that while driving at an undisclosed speed, the vehicle jerked abnormally while shifting into reverse(R) or drive(D). The contact stated that the vehicle lost motive power with the check engine warning light illuminated. The contact was able to restart the vehicle; however, the failure persisted while attempting to drive. The contact also stated that the vehicle was put into LIMP Mode several times. The dealer was contacted; however, the vehicle was not diagnosed or repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 78,000.Owner report · Power Train · Apr 2026
Suburban started to have shudder at lower rpm on acceleration. I took it to the dealer and they confirmed the valve is bad. They are unsure at this time but depending on damage from the bad value my Suburban may also need a new torque convertor or transmission.Owner report · Power Train · Apr 2026
Lane departure assist, adaptive cruise control, auto emergency braking, adaptive high beam, forward collision warning system became unresponsive while driving on highway during trip. Had to take vehicle into GM dealership for ADAS camera replacement.Owner report · Forward Collision Avoidance · Mar 2026
Had an engine replacement in dec of 2025 and had to pay for it since wasn't under warranty or recall. And now my replacement engine which has a warranty now. Just failed in March 2026 which about 3 months later. Had metal shavings in engine and multiple cylinders misfiring. And now I don't have a family vehicle to drive my family around again. There should've been a recall on my engine, but wasn't this is not fair. And I'm paying the price for it.Owner report · Electrical System · Mar 2026
The front headlight leaks water which pools inside the led front headlight bezel causing the headlamp to blow/fail. This is a known GM issue and TSB's have been initiated. Concern was confirmed by the dealership who reported that the seal on the headlamp had failed causing the water leak and full replacement of the headlamp/headlight bezel needed to be replaced.Owner report · Exterior Lighting · Mar 2026
In April of 2022 with 26k miles my vehicle had its first engine failure, Chevrolet dealership had to replace engine lifters due to a known engineering defect with the 2021 6.2 L87 engine. Now in late February 2026 with 80k miles my engine has locked up and requires a brand new engine replacement. For some reason, even though this is a L87 6.2L 2021 engine it is not part of the broader recall for this exact same engine failure for the same engine year and model.Owner report · Engine · Feb 2026

When filing, owners marked a crash in 6 of these complaints and injuries in 5 - self-reported to NHTSA, not verified accident statistics.

Recalls - 12 campaigns

FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP:CONTROL/DRIVE MODULE21V739000 · Sep 2021

General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles. The fuel pump power control module may cause the fuel pump to fail or operate intermittently, which can interrupt fuel flow to the engine, and cause an unexpected engine stall.

Remedy: Dealers will replace the fuel pump power control module, free of charge. Owner notification letters were mailed on October 14, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; or GMC customer service at 1-800-462-8782. GM's number for this recall is N212332040.

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE24V797000 · Oct 2024

General Motors, LLC (GM) is recalling certain 2020-2022 Chevrolet Silverado 1500, 2500, 3500, GMC Sierra 1500, 2500, 3500, 2021 Cadillac Escalade, Escalade ESV, Chevrolet Tahoe, Suburban, GMC Yukon, and Yukon XL vehicles equipped with diesel engines. The transmission control valve may fail and cause the rear wheels to lock-up.

Remedy: Dealers will install new transmission control module software, free of charge. GM will provide a special coverage program to cover the repair of transmissions that are identified by the remedy software as containing a defective control valve. Owner notification letters were mailed December 12, 2024. Owners may contact GM customer service at 1-888-988-7267, Cadillac customer service at 1-800-458-8006, GMC customer service at GMC 1-800-462-8782 or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N242454440.

EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE22V827000 · Nov 2022

General Motors, LLC (GM) is recalling certain 2021 Yukon, Yukon XL, Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade, and Cadillac Escalade ESV vehicles. The daytime running lights (DRLs) may not deactivate when the headlights are on. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."

Remedy: Dealers will provide an over-the-air (OTA) update for the Body Control Module software, free of charge. Owner notification letters were mailed December 15, 2022. Owners may contact GM customer service at 1-888-988-7267, Chevrolet customer service at 1-800-222-1020, or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N222382220.

SEATS20V735000 · Nov 2020

General Motors LLC (GM) is recalling certain 2021 Chevrolet Suburban and Tahoe and GMC Yukon and Yukon XL vehicles. During general assembly, a repair involved removal of one or both front seats. The attachment bolts for the front seats may not have been properly reinstalled after the repair was completed.

Remedy: GM will notify owners, and dealers will inspect the seat attachments for both front seats and install attachment bolts as needed, free of charge. The recall began December 21, 2020. Owners may contact Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-888-988-7267. GM's number for this recall is N202312720.

SEAT BELTS21V190000 · Mar 2021

General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, GMC Yukon, Yukon XL, Chevrolet Suburban, and Tahoe vehicles with third-row seating. The third-row outboard seat belts may have been entrapped or misrouted behind the outboard seat-folding mechanism, which could result in damaged seat belts.

Remedy: GM will notify owners, and dealers will inspect the third-row outboard seat belts, replacing any damaged seat belts, and rerouting them if necessary, free of charge. The recall began on April 21, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020, GMC customer service at 1-800-462-8782, and Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313000.

STEERING:STEERING CONTROL MODULE21V455000 · Jun 2021

General Motors, LLC (GM) is recalling certain 2021 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, and Yukon XL vehicles. A software issue may cause a loss of power steering assist at startup or while driving.

Remedy: The power steering module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed July 13, 2021. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; or GMC customer service at 1-800-462-8782. GM's number for this recall is N212333900.

AIR BAGS:SRS MALFUNCTION WARNING LAMP/LIGHT21V421000 · Jun 2021

General Motors, LLC (GM) is recalling certain 2021 Buick Envision, Cadillac CT4, CT5, Escalade, Escalade ESV, Chevrolet Tahoe, Corvette, Suburban, GMC Yukon, Yukon XL vehicles. The communications gateway module incorrectly processes a loss of communication with the sensing diagnostic module (SDM), causing the air bag malfunction indicator light to inconsistently illuminate.

Remedy: The communications gateway module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed on July 1, 2021. Owners may contact Buick customer service at 1-800-521-7300, Cadillac customer service at 1-800-458-8006, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N212338110.

POWER TRAIN:DRIVELINE:DRIVESHAFT22V036000 · Jan 2022

General Motors, LLC (GM) is recalling certain 2021 GMC Yukon, Yukon XL, Cadillac Escalade, Escalade ESV, Chevrolet Suburban, and Chevrolet Tahoe vehicles. The rear wheel driveshaft assemblies may have internal components that were not heat-treated properly, possibly resulting in driveshaft failure.

Remedy: Dealers will replace the left and/or right rear driveshaft assemblies, free of charge. Owner notification letters were mailed on March 14, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006 or GMC customer service at 1-800-462-8782. GM's number for this recall is N212351030.

SEAT BELTS:CRITICAL FASTENERS20V792000 · Dec 2020

General Motors, LLC (GM) is recalling certain 2019-2021 Chevrolet Silverado 1500 and GMC Sierra 1500, 2021 Chevrolet Suburban and Tahoe and GMC Yukon XL and 2020-2021 Chevrolet Silverado 2500 and 3500 and GMC Sierra 2500 and 3500 vehicles. The seat belt brackets may not be secured to the seat frame in the front-row center seating position.

Remedy: GM will notify owners, and dealers will inspect left-side and right-side front-row center seat-belt bracket attachments and reassemble it correctly as necessary, free of charge. The recall began January 26, 2021. Owners may contact GMC customer service at 1-800-462-8782, Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202314670.

SEAT BELTS:CRITICAL FASTENERS20V811000 · Dec 2020

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

Remedy: GM will notify owners, and dealers will replace the suspect bolts, free of charge. The recall began January 29, 2021. Owners may contact GMC customer service at 1-800-462-8785, Cadillac customer service at 1-800-458-8006, or Chevrolet customer service at 1-800-222-1020. GM's number for this recall is N202322230.

SEAT BELTS:CRITICAL FASTENERS22V617000 · Aug 2022

General Motors, LLC (M) is recalling certain 2021-2022 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Tahoe, GMC Yukon, and Yukon XL vehicles equipped with third-row seats. The rivet that retains the buckle to the mounting bracket in the left or right side third-row seat belt buckle assembly may have been improperly formed.

Remedy: Dealers will inspect the rivet head formation on both the left and right side third-row seat belt buckle assemblies and replace seat belt buckle assemblies, as necessary, free of charge. Interim owner notification letters informing owners of the safety risk were mailed September 28, 2022. Owner notification letters were mailed on November 1, 2022. Owners may contact Chevrolet customer service at 1-800-222-1020; Cadillac customer service at 1-800-458-8006; and GMC customer service at 1-800-462-8782. GM's number for this recall is N222372380.

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL25V274000 · Apr 2025

General Motors LLC (GM) is recalling certain 2021-2024 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, and Tahoe, GMC Sierra 1500, Yukon, and Yukon XL vehicles equipped with a 6.2L V8 gas engine. The connecting rod and/or crankshaft engine components may have manufacturing defects that can lead to engine damage and engine failure.

Remedy: Dealers will inspect the engine, and as necessary, repair or replace the engine. For vehicles that pass inspection, dealers will add higher viscosity oil, install 6 oil fill cap, replace the oil filter, and update the owner's manual. Repairs will be performed free of charge. Owner notification letters were mailed June 18, 2025. Owners may contact Cadillac customer service at 1-800-333-4223, Chevrolet customer service at 1-800-222-1020, or GMC customer service at 1-800-462-8782. GM's number for this recall is N252494000.

Trouble codes owners mention

OBD-II codes that appear in NHTSA complaints about this car.

How other years compare

Check your exact Suburban by VIN

Recalls and equipment differ between individual vehicles. Decode your VIN to see what applies to yours.

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Frequently asked questions

Is the 2021 Chevrolet Suburban reliable?

NHTSA has 185 owner complaints and 12 recall campaigns on record for the 2021 Chevrolet Suburban. The most complained-about area is engine (35% of complaints).

At what mileage do 2021 Chevrolet Suburban problems usually appear?

Half of the complaints that mention mileage were filed at 66,000 miles or less.

Does the 2021 Chevrolet Suburban have open recalls?

12 recall campaigns have been issued, the latest concerning fuel system, gasoline:delivery:fuel pump:control/drive module. Check your specific vehicle by VIN - recall repairs are free at franchised dealers.

Source: NHTSA recall campaigns and owner complaints (public domain). Counts reflect reports on file and are not a defect rate.