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NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

2023 Chevrolet Suburban Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 114 verified NHTSA owner complaints, 3 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH25 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2023 Chevrolet Suburban receives a 5.8/10 MazicBay Reliability Index based on 114 verified NHTSA federal complaints and 3 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 40,000 miles (IQR: 12,00054,250 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .

2023 Chevrolet SuburbanNear-Luxury2023
DLC Port: Lower driver side dash trim panel

*Representative vehicle platform imagery. Body styling varies across generations.

MazicBay Reliability Index
5.8 / 10

20.7 complaints / 10k sold

NHTSA Owner Complaints
114

Verified US federal records

Safety Severity Grade
Elevated Risk

Crash, fire & stall audit

Federal Safety Recalls
3

3 Active / Free Remedies

Switch Suburban Model Year (2014–2025)
NHTSA Defect Subsystem Breakdown

2023 Suburban Failure Distribution by Vehicle Subsystem

100% Normalized Telemetry
38%26%16%12%
Engine & Powertrain:38%
Electrical & Sensors:26%
Steering & Suspension:16%
Brakes & ABS Hydraulics:12%
Airbags & Body Structure:8%
Defect Clustering

Top Reported Problem Clusters (7)

Ranked by NHTSA Complaint Frequency
#1 ENGINE & COOLINGHigh Severity88% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

72
Federal Complaints
Failure Mileage (Median):40,000 milesIQR: 12,00054,250 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Engine sudden stall / hesitation while driving
  • Abnormal oil burning / consumption
  • Check Engine Light (MIL) flashing
  • Engine overheating / coolant loss
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11755148 • Filed: 08/05/2026

6.2 V8 while operating threw multiple error codes, went into crawl mode unexpectedly.

ODI #11754537 • Filed: 08/03/2026

The contact owns a 2023 Chevrolet Suburban. The contact stated that while driving approximately 65 MPH, the transmission erroneously shifted to neutral(N), and the vehicle decelerated unexpectedly. The vehicle was pulled off the freeway and parked on the shoulder of the road, ...

ODI #11752309 • Filed: 07/23/2026

I brought my Chevrolet Suburban High Country in to the dealer pursuant to a recall for engine issues due to a manufacturing defect in connecting rods and crankshafts that can cause catastrophic engine failure. The service center changed the oil viscosity and fill cap and state...

#2 TRANSMISSION & DRIVETRAINCritical Severity73% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

25
Federal Complaints
Failure Mileage (Median):45,500 milesIQR: 40,75050,250 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Hard gear shifts / delayed engagement into Drive/Reverse
  • Transmission shudder / jerking under acceleration
  • Transmission slipping between gears
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11754537 • Filed: 08/03/2026

The contact owns a 2023 Chevrolet Suburban. The contact stated that while driving approximately 65 MPH, the transmission erroneously shifted to neutral(N), and the vehicle decelerated unexpectedly. The vehicle was pulled off the freeway and parked on the shoulder of the road, ...

ODI #11744096 • Filed: 06/15/2026

The engine of this car has been under recall for multiple issues during the time we have owned it. The most recent issue that was experienced was total engine failure and electrical malfunction while driving on a busy street near train tracks. The vehicle was making a loud ban...

ODI #11743051 • Filed: 06/09/2026

The vehicle was shaking and shuddering when trying to maintain highway speeds. Would have to slow down to maintain safety. The dealership advised the transmission needs replaced however we are seeing this is a widespread problem that GM has refused to admit fault for.

#3 ELECTRICAL SYSTEM & BATTERYMedium Severity79% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

19
Federal Complaints
Failure Mileage (Median):33,000 milesIQR: 33,00033,000 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Unexplained battery drain after sitting overnight
  • Infotainment display / instrument cluster blackouts
  • Accessory malfunction / alternator fault warnings
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11744096 • Filed: 06/15/2026

The engine of this car has been under recall for multiple issues during the time we have owned it. The most recent issue that was experienced was total engine failure and electrical malfunction while driving on a busy street near train tracks. The vehicle was making a loud ban...

ODI #11742124 • Filed: 06/04/2026

Transmission malfunction. This has appeared several times at highway speeds and low speeds. Driver to limp along in the slow lane to exit ramp and take back roads to get back to base. The current problem has been confirmed with error codes P0747. Check engine light comes on wi...

ODI #11727844 • Filed: 03/29/2026Odometer: 33,000 mi

Car entertainment screen shot down, next day car completely dead, had to get a booster, now the engine sign is on, and car has only 33,000 miles on it

#4 BRAKING SYSTEM & ABSMedium Severity68% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

14
Federal Complaints
Failure Mileage (Median):44,000 milesIQR: 38,50049,500 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Spongy or hard brake pedal travel
  • ABS / Brake warning light illuminated
  • Extended stopping distance / pedal vibration
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11727844 • Filed: 03/29/2026Odometer: 33,000 mi

Car entertainment screen shot down, next day car completely dead, had to get a booster, now the engine sign is on, and car has only 33,000 miles on it

ODI #11715199 • Filed: 02/03/2026Odometer: 55,000 mi

My 2023 Chevy Suburban High Country had the L87 Engine Loss of Propulsion (Related field action: See Special Coverage N252494003) recall performed on it and completed on August 15, 2025. Higher viscosity oil was put in. This was at approximately 55,000 miles. While driving on ...

ODI #11715297 • Filed: 02/03/2026

Following extensive research & uncovering the fact that there are several class action lawsuits underway calling out GM for not issuing a formal recall when they should have from the start, we've been forced to personally absorb significant costs tied to replacing our 2023 Sub...

#5 STEERING & SUSPENSIONMedium Severity65% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

13
Federal Complaints
Failure Mileage (Median):52,000 milesIQR: 48,00056,000 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of electric power steering assist
  • Steering wheel pull or highway wander
  • Clunking / knocking noise over bumps
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11753928 • Filed: 07/31/2026

The contact owns a 2023 Chevrolet Suburban. The contact stated that the front passenger’s and rear driver’s side rims were cracked. The front passenger’s side rim was replaced by the dealer under warranty, while the rear driver’s side rim was replaced with an aftermarket part....

ODI #11752309 • Filed: 07/23/2026

I brought my Chevrolet Suburban High Country in to the dealer pursuant to a recall for engine issues due to a manufacturing defect in connecting rods and crankshafts that can cause catastrophic engine failure. The service center changed the oil viscosity and fill cap and state...

ODI #11744096 • Filed: 06/15/2026

The engine of this car has been under recall for multiple issues during the time we have owned it. The most recent issue that was experienced was total engine failure and electrical malfunction while driving on a busy street near train tracks. The vehicle was making a loud ban...

#6 AIRBAGS & SAFETY RESTRAINTSCritical Severity65% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

8
Federal Complaints
Failure Mileage (Median):2,900 milesIQR: 2,9002,900 mi
Estimated Repair Cost:$400 – $1,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA Campaign Audit
Reported Defect Symptoms
  • SRS Airbag warning lamp illuminated
  • Passenger occupant classification sensor failure
  • Seat belt retractor lockup
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11749632 • Filed: 07/10/2026

My vehicle was met with an accident on June 28, 2026. The accident was very swear and driver get internal injuries like swelling on face pain in head and ribs due to the heavy shock. But non of the airbag has been activated for safety of driver.

ODI #11744913 • Filed: 06/17/2026

The sunroof drains continue to fail. I’ve had multiple occasions where the car has had drains back up or be disconnected.. This is a safety issue because it creates mold as water falls in the headliner and then the cabin. It also creates rust, particularly behind the dashboard...

ODI #11720994 • Filed: 02/27/2026

The drivers side, female end, of the seatbelt comes undone when cold. This is reproduced every single time it is cold for approximately 5 minutes of driving until the inside of the vehicle warms up. This happens with both primary divers of the vehicle. We took it to the dealer...

#7 FUEL SYSTEM & INJECTIONMedium Severity65% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

5
Federal Complaints
Failure Mileage (Median):54,000 milesIQR: 54,00054,000 mi
Estimated Repair Cost:$650 – $1,250 MazicBay Repair Intelligence Model
Recall Status:Out-of-Pocket / TSB RemedyNHTSA Campaign Audit
Reported Defect Symptoms
  • Sudden loss of propulsion power at highway speeds
  • Extended engine cranking / failure to restart
  • Fuel odor near fuel tank / engine bay
Potentially Associated OBD-II Codes

Correlated via MazicBay Diagnostic Engine (not NHTSA verified fact).

Sample Verified NHTSA Evidence Records (3)
ODI #11750581 • Filed: 07/15/2026

The fuel pump module on this vechicle failed, and there's a recall for 2021 I believe other years should be considered as well since this was a known issue as soon as we arrived at the dealership and they wanted over $400 to replace this part which is only $45.

ODI #11714801 • Filed: 02/01/2026

The code that originally came up was P0300 a (Engine Misfire). I had this truck for one year and it says my fuel injector went bad so I’m getting the whole Tune Up done. I have the My Chevrolet app connected to my vehicle and it’s saying: the Engine/Transmission system needs s...

ODI #11666827 • Filed: 06/13/2025

The contact owns a 2023 Chevrolet Suburban. The contact stated that while coming to a stop, the vehicle vibrated abnormally. Additionally, the contact stated that while driving at an undisclosed speed, the vehicle stalled with several unknown warning lights illuminated. The ve...

Safety Enforcement

Official NHTSA Safety Recalls (3)

100% Free Dealer Repair
NHTSA Campaign #22V903000Reported: 08/12/2022

EXTERIOR LIGHTING:LIGHTING CONTROL MODULE:SOFTWARE

Summary: 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."

Safety Consequence: DRLs that do not deactivate as intended may result in a glare, reducing visibility, and increasing the risk of a crash.
Manufacturer 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.
NHTSA Campaign #23V642000Reported: 20/09/2023

SUSPENSION:REAR

Summary: General Motors, LLC (GM) is recalling certain 2023 Cadillac Escalade, Escalade ESV, Chevrolet Suburban, Chevrolet Tahoe, GMC Yukon, and Yukon XL vehicles. The rear suspension outer control arm bolts may not have been properly heat-treated, which can cause the bolts to break.

Safety Consequence: A broken suspension bolt can result in misalignment of the rear wheel, increasing the risk of a crash.
Manufacturer Remedy: Dealers will replace both rear suspension outer control arm bolts, free of charge. Owner notification letters were mailed November 14, 2023. 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 N232415910.
NHTSA Campaign #25V274000Reported: 24/04/2025

ENGINE AND ENGINE COOLING:ENGINE:HARD PARTS INTERNAL/MECHANICAL

Summary: 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.

Safety Consequence: Engine failure increases the risk of a crash.
Manufacturer 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.
Repair & Diagnostic Tools

Tools for Diagnosing the 2023 Chevrolet Suburban

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Pre-Purchase Inspection Checklist for 2023 Chevrolet Suburban

Before purchasing a used 2023 Chevrolet Suburban, perform the following targeted inspections based on reported federal defect patterns:

1. Cold Start & Idle Diagnostics

Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).

2. Transmission Shift Quality Audit

Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.

3. Federal Recall Completion Check

Verify that all 3 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.

4. Electrical & Infotainment Drain Check

Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.

Frequently Answered Questions

Defect & Reliability Q&A: 2023 Chevrolet Suburban

Is the 2023 Chevrolet Suburban a reliable used car?

The 2023 Chevrolet Suburban earns a 5.8/10 MazicBay Reliability Index based on 114 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.

What is the most frequent defect reported on the 2023 Chevrolet Suburban?

The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 40,000 miles (IQR: 12,00054,250 mi).

Are there free recall repairs available for the 2023 Chevrolet Suburban?

Yes, the NHTSA records 3 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.

2023 Chevrolet Suburban Owner Maintenance & Equipment CenterVerified battery BCI group sizes, oil sump capacities, and tested scan tools.
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