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NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

2018 Chevrolet Traverse Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 455 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: HIGH80 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2018 Chevrolet Traverse receives a 4.8/10 MazicBay Reliability Index based on 455 verified NHTSA federal complaints and 2 safety recalls. The primary reported failure mode is Transmission Hesitation, Hard Shifting & Slipping Reports with a median failure point at 40,000 miles (IQR: 30,00055,500 mi). Out-of-warranty repairs benchmark at $1,400 – $3,800 .

2018 Chevrolet TraverseMainstream2018
DLC Port: Driver lower kick panel to the right of brake pedal

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

MazicBay Reliability Index
4.8 / 10

37.9 complaints / 10k sold

NHTSA Owner Complaints
455

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
2

2 Active / Free Remedies

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

2018 Traverse 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 TRANSMISSION & DRIVETRAINCritical Severity84% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

275
Federal Complaints
Failure Mileage (Median):40,000 milesIQR: 30,00055,500 mi
Estimated Repair Cost:$1,400 – $3,800 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11755241 • Filed: 08/06/2026Odometer: 97,500 mi

Car wouldn’t move in Reverse, I’d give it gas and it would just rev. It would drive forward but very sluggish. Brought to 2 different mechanics and they both said I need to replace the transmission. Car has 97,500 miles on it. This is a known issue with these vehicles. The tra...

ODI #11749157 • Filed: 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed a...

ODI #11748831 • Filed: 07/07/2026

2 failed transmissions 2018 vehicle 2024 replacement of transmission 2026 needs another transmission

#2 ENGINE & COOLINGCritical Severity81% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

163
Federal Complaints
Failure Mileage (Median):30,000 milesIQR: 9,00077,500 mi
Estimated Repair Cost:$950 – $3,200 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11757817 • Filed: 08/18/2026

On 08/15/26, I was at a traffic light waiting to make a left turn on a major roadway. Because the wait was on a hill, the park brake automatically engaged. When the traffic light turned green and as I attempted to accelerate, the electronic parking brake failed to release as i...

ODI #11748130 • Filed: 07/03/2026

the vehicle will not register that it is in park, when the engine is turned off a beeping notifcation reads "shift to park" - you have to start the engine and shut it off multiple times, or slam the shifter into place to get it register in park. this happens constantly and is ...

ODI #11745280 • Filed: 06/19/2026

2018 Chevy Traverse purchased from Carvana caused carbon monoxide exposure to my family in military housing. Vehicle locked itself while running in the garage (garage door open), and CO entered the home where my children were standing near the interior door. Fire dept forced e...

#3 ELECTRICAL SYSTEM & BATTERYCritical Severity85% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

133
Federal Complaints
Failure Mileage (Median):35,500 milesIQR: 23,77562,250 mi
Estimated Repair Cost:$280 – $850 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11757817 • Filed: 08/18/2026

On 08/15/26, I was at a traffic light waiting to make a left turn on a major roadway. Because the wait was on a hill, the park brake automatically engaged. When the traffic light turned green and as I attempted to accelerate, the electronic parking brake failed to release as i...

ODI #11749157 • Filed: 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed a...

ODI #11745280 • Filed: 06/19/2026

2018 Chevy Traverse purchased from Carvana caused carbon monoxide exposure to my family in military housing. Vehicle locked itself while running in the garage (garage door open), and CO entered the home where my children were standing near the interior door. Fire dept forced e...

#4 STEERING & SUSPENSIONCritical Severity68% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

65
Federal Complaints
Failure Mileage (Median):52,500 milesIQR: 10,000112,500 mi
Estimated Repair Cost:$450 – $1,400 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11749157 • Filed: 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed a...

ODI #11737069 • Filed: 05/11/2026Odometer: 150,000 mi

Special coverage programs for the 2018 Chevy Traverse front exhaust pipe mounting bracket failure. GM has focused on coverage specifically on 2019-2021 models, but 2018 models are affected as well. I'm being forced to pay for a new exhaust when 2018 models should have been inc...

ODI #11724867 • Filed: 03/17/2026

The exhaust system on my 2018 Chevrolet Traverse has failed due to cracking in the exhaust pipe and/or muffler assembly. This appears to be consistent with known issues in similar model years where exhaust pipe brackets separate and cause cracks or holes in the exhaust system....

#5 BRAKING SYSTEM & ABSCritical Severity81% Match Confidence

Service Brakes, ABS Actuator & Master Cylinder Reports

58
Federal Complaints
Failure Mileage (Median):15,850 milesIQR: 8,50035,425 mi
Estimated Repair Cost:$350 – $1,100 MazicBay Repair Intelligence Model
Recall Status:Under Investigation / Recall AuditNHTSA 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 #11757817 • Filed: 08/18/2026

On 08/15/26, I was at a traffic light waiting to make a left turn on a major roadway. Because the wait was on a hill, the park brake automatically engaged. When the traffic light turned green and as I attempted to accelerate, the electronic parking brake failed to release as i...

ODI #11749157 • Filed: 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed a...

ODI #11724511 • Filed: 03/15/2026

I have had this car seat a little over a year and the chest buckle randomly stopped magnetizing. It will appear magnetized but will pop apart. This is absolutely unsafe and these seats need pulled from the consumers.

#6 AIRBAGS & SAFETY RESTRAINTSCritical Severity67% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

19
Federal Complaints
Failure Mileage (Median):3,000 milesIQR: 3,0003,000 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 #11749157 • Filed: 07/08/2026

Front passenger tire was losing air, on the way to bring it to tire shop dashboard displayed tire pressure sensor, power steering system, TCM notification, Electronic brake control. Got it to the tire shop bought a new tire and they did a diagnostic test it showed TCM passed a...

ODI #11683915 • Filed: 08/29/2025

My 2018 Chevrolet Traverse, has unresolved safety defects that endanger occupants and other road users. These include transmission failure with loss of acceleration, “Shift‑to‑Park” malfunctions preventing engine shut‑off, inoperative blind‑spot/cross‑traffic sensors, faulty t...

ODI #11673328 • Filed: 07/14/2025

The contact owns a 2018 Chevrolet Traverse. The contact stated that while attempting to use the second-row middle seat buckle, the contact became aware that the buckle was inoperable. The contact stated that the failure was related to Customer Satisfaction Program: N192223110-...

#7 FUEL SYSTEM & INJECTIONMedium Severity79% Match Confidence

Fuel Pump Pressure Loss & Fuel Delivery Defect Reports

11
Federal Complaints
Failure Mileage (Median):65,000 milesIQR: 65,00065,000 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 #11694738 • Filed: 10/21/2025

The contact owns a 2018 Chevrolet Traverse. The contact stated that while operating the vehicle, the check engine warning light remained illuminated, and the vehicle hesitated while accelerating. Additionally, the vehicle failed to immediately restart after refueling. The vehi...

ODI #11654610 • Filed: 04/14/2025

The contact owns a 2018 Chevrolet Traverse. The contact stated while driving 10 MPH, while depressing the accelerator pedal, the vehicle failed to respond as needed. A dealer was contacted. The vehicle was taken to the dealer to be diagnosed, and it was determined that the pur...

ODI #11630946 • Filed: 12/16/2024

The contact owns a 2018 Chevrolet Traverse. The contact stated that the vehicle was emitting a vibrating and rattling noise while driving. The contact stated while driving at an undisclosed speed and attempting to accelerate, the vehicle lost motive power. The contact stated w...

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #20V668000Reported: 29/10/2020

POWER TRAIN:AUTOMATIC TRANSMISSION

Summary: General Motors LLC (GM) is recalling certain 2018-2019 Chevrolet Cruze and Buick LaCrosse, 2018-2020 Chevrolet Equinox, Chevrolet Traverse and GMC Terrain, 2018 Chevrolet Malibu, 2019-2020 Buick Encore, Buick Enclave, Cadillac XT4, Chevrolet Blazer and GMC Acadia, and 2020 Cadillac XT6 vehicles. The start/stop accumulator endcap may have missing bolts.

Safety Consequence: Missing bolts on the start-stop accumulator endcap could result in a transmission oil leak and may progress to a loss of propulsion, increasing the risk of a crash. A transmission fluid leak in the presence of an ignition source may increase the risk of fire.
Manufacturer Remedy: GM will notify owners, and dealers will inspect the start-stop transmission accumulator and replace it if any bolts are missing, free of charge. The recall began December 15, 2020. Owners may contact GMC customer service at 1-888-988-7267, Buick Customer service at 1-866-608-8080, Chevrolet customer service at 1-800-222-1020 or Cadillac customer service at 1-800-458-8006. GM's number for this recall is N202313440.
NHTSA Campaign #21V246000Reported: 08/04/2021

AIR BAGS:CRITICAL FASTENERS

Summary: General Motors, LLC (GM) is recalling certain 2010-2015, 2017 Buick Enclave, 2010-2019 Chevrolet Traverse, and 2011-2016 GMC Acadia vehicles. The side curtain air bags may not be properly attached.

Safety Consequence: Unsecured side curtain air bags may not perform as intended, increasing the risk of injury.
Manufacturer Remedy: GM will notify owners, and dealers will inspect and, if necessary, realign or replace the weld nuts, free of charge. Owner notification letters were mailed on May 24, 2021. Owners may contact Buick customer service at 1-800-521-7300, Chevrolet customer service at 1-800-222-1020, and GMC customer service at 1-800-462-8782. GM's number for this recall is N202321200.

Pre-Purchase Inspection Checklist for 2018 Chevrolet Traverse

Before purchasing a used 2018 Chevrolet Traverse, 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 2 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: 2018 Chevrolet Traverse

Is the 2018 Chevrolet Traverse a reliable used car?

The 2018 Chevrolet Traverse earns a 4.8/10 MazicBay Reliability Index based on 455 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 2018 Chevrolet Traverse?

The leading complaint category is Transmission Hesitation, Hard Shifting & Slipping Reports, with a median failure point around 40,000 miles (IQR: 30,00055,500 mi).

Are there free recall repairs available for the 2018 Chevrolet Traverse?

Yes, the NHTSA records 2 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.

2018 Chevrolet Traverse Owner Maintenance & Equipment CenterVerified battery BCI group sizes, oil sump capacities, and tested scan tools.
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