The 2022 Suburban is built on GM's T1XX platform and generally solid, but the 3.0L Duramax diesel has proven troublesome with catastrophic internal failures, while the 5.3L and 6.2L gas engines are far more reliable. Transmission oil cooler leaks and electrical glitches are the main concerns across all powertrains.
3.0L Duramax Catastrophic Engine Failure
Occasional · high severity
Typical onset: 30,000-80,000 mi
Symptoms: sudden loss of power under load, metal shavings in oil, knocking or rattling from crankcase, check engine light with misfire codes, coolant in oil or vice versa
Fix: Piston skirt cracking and connecting rod bearing failures destroy the block. GM issued recalls for some VINs but many fall outside. Complete engine replacement or rebuild required, 18-25 labor hours depending on 2WD/4WD and accessories
Estimated cost: $15,000-22,000
Transmission Oil Cooler Line Leaks
Common · medium severity
Typical onset: 40,000-90,000 mi
Symptoms: transmission fluid dripping near radiator, low fluid warnings, burnt transmission fluid smell, pink residue on driveway
Fix: Quick-connect fittings at the radiator-mounted cooler crack or O-rings fail. Replace cooler lines and fittings, flush system if contaminated. 2-3 labor hours
Estimated cost: $400-750
10-Speed Transmission Harsh Shifting and Shudder
Common · medium severity
Symptoms: harsh 2-3 or 3-4 upshifts when cold, shudder at 40-50 mph under light throttle, delayed engagement into drive or reverse, clunking on downshifts
Fix: TCM software updates help but don't always cure it. Fluid flush with Mobil 1 LV ATF HP sometimes improves behavior. If mechanical, torque converter replacement runs 8-12 hours. Many live with it
Estimated cost: $150-2,800
Rear Transmission Mount Failure
Occasional · low severity
Typical onset: 60,000-100,000 mi
Symptoms: clunk when shifting from park to drive, vibration at idle in gear, excessive drivetrain movement over bumps
Fix: Rubber isolator in crossmember mount tears. Replace transmission mount, 1.5-2 hours on a lift
Estimated cost: $250-450
Exterior Lighting Control Module Software Glitches
Occasional · low severity
Symptoms: headlights flicker or fail to turn on, DRL malfunction, high beams stay on or won't activate, warning messages on dash
Fix: Recall-covered software reflash at dealer usually fixes it. If hardware failure, module replacement is 1-1.5 hours
Estimated cost: $0-650
Fuel Filter Clogging (Duramax Diesel)
Common · medium severity
Typical onset: 20,000-40,000 mi intervals
Symptoms: reduced power under acceleration, rough idle, hard starting especially in cold weather, check engine light with fuel pressure codes
Fix: Duramax needs fuel filter service more frequently than gas engines. Replace filter and prime system, 0.8-1.2 hours. Use OEM or high-quality aftermarket
Estimated cost: $150-280
Seat Belt Buckle Fastener Recall
Rare · high severity
Symptoms: seat belt buckle pulls out of anchor point, visible gap or looseness at floor mount
Fix: Factory recall for improperly torqued fasteners. Dealer inspection and retorque, no cost to owner. Critical safety issue if ignored
Estimated cost: $0
Owner tips
Avoid the 3.0L Duramax unless you can verify engine replacement under warranty or extended coverage — failure rate is unacceptable for a $70k+ truck
5.3L and 6.2L gas engines are proven reliable; stick with those for longevity
Change 10-speed transmission fluid at 50k miles regardless of 'lifetime fill' claims — use GM-spec fluid only
Check transmission cooler lines during every oil change for seepage; catch it early before you cook the trans
Keep all recall work documented; the seat belt and lighting recalls are safety-critical
Buy a gas-powered 2022 Suburban without hesitation, but run from any Duramax diesel unless someone else already ate the engine replacement cost.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
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POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE:SOFTWARE · 26V085000
2026-02-13
General Motors, LLC (GM) is recalling certain 2022 Chevrolet Tahoe, Chevrolet Suburban, GMC Yukon, GMC Yukon XL, Cadillac Escalade, and Cadillac Escalade ESV vehicles equipped with 10 Speed Transmission with ETRS (Electronic Transmission Range Select). The transmission control valve may fail and lock up the rear wheels.
Consequence: Rear wheels that lock up while driving increase the risk of a crash.
Remedy: Dealers will install new transmission control module (TCM) software, free of charge. Owner notification letters were mailed April 7, 2026. 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 N252536750. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on February 12, 2026.
ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL · 25V274000
2025-04-24 · PE25001
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.
Consequence: Engine failure increases the risk of a crash.
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.
EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE · 22V903000
2022-12-08
General Motors, LLC (GM) is recalling certain 2020-2023 Cadillac CT4 and CT5; 2021-2023 Buick Envision; and 2022-2023 Cadillac Escalade and Escalade ESV, Chevrolet Silverado 1500, Suburban, Tahoe, GMC Sierra 1500, Yukon, and Yukon XL 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."
Consequence: DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
Remedy: The body control module software will be updated by a dealer, or through an over-the-air (OTA) update, free of charge. Owner notification letters were mailed January 23, 2023. Owners may contact GMC 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 N222386380. This recall expands previous recall number 22V-827.
SEAT BELTS:CRITICAL FASTENERS · 22V617000
2022-08-11
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.
Consequence: A seat belt with a deformed rivet may not properly restrain an occupant, increasing the risk of injury during a crash.
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.
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