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NHTSA FEDERAL EVIDENCE AUDITAudited: 2026-08-25

2021 GMC Canyon Common Problems & Defect Telemetry

Authoritative defect intelligence synthesized from 11 verified NHTSA owner complaints, 2 federal safety recalls, and interquartile failure mileage telemetry.

Data Grade: LOW0 Odometer Verified EntriesMethodology
Executive AI Defect Summary

The 2021 GMC Canyon receives a 5.7/10 MazicBay Reliability Index based on 11 verified NHTSA federal complaints and 2 safety recalls. The primary reported failure mode is Electrical Parasitic Drain, Infotainment & Harness Reports with a median failure point at 55,000 miles (IQR: 35,00075,000 mi). Out-of-warranty repairs benchmark at $280 – $850 .

2021 GMC CanyonNear-Luxury2021
DLC Port: Lower driver side dash trim panel

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

MazicBay Reliability Index
5.7 / 10

3.7 complaints / 10k sold

NHTSA Owner Complaints
11

Verified US federal records

Safety Severity Grade
Critical Risk

Crash, fire & stall audit

Federal Safety Recalls
2

2 Active / Free Remedies

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

2021 Canyon 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 (5)

Ranked by NHTSA Complaint Frequency
#1 ELECTRICAL SYSTEM & BATTERYCritical Severity65% Match Confidence

Electrical Parasitic Drain, Infotainment & Harness Reports

5
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 #11753891 • Filed: 07/30/2026

While driving a few days ago, power steering abruptly stopped working and a service power steering message appeared. It was very difficult to steer the vehicle back home. I've tried replacing the battery and resetting the steering sensor to no avail.

ODI #11715755 • Filed: 02/05/2026

The contact owns a 2021 GMC Canyon. The contact stated that while driving at various speeds, the driver’s side low beam headlight failed to illuminate as intended. No warning light was illuminated. In addition, the contact stated that upon further inspection, an unknown electr...

ODI #11698517 • Filed: 11/10/2025

The contact owns a 2021 GMC Canyon. The contact stated that while reversing, the back over prevention screen image was solid blue, and there was no image displayed, creating a visibility hazard for the driver. The vehicle was taken to the local dealer, and it was determined th...

#2 STEERING & SUSPENSIONCritical Severity71% Match Confidence

Electric Power Steering Assist & Suspension Noise Reports

4
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 #11753891 • Filed: 07/30/2026

While driving a few days ago, power steering abruptly stopped working and a service power steering message appeared. It was very difficult to steer the vehicle back home. I've tried replacing the battery and resetting the steering sensor to no avail.

ODI #11643163 • Filed: 02/17/2025

The electric power steering motor stopped working while driving on the highway. The vehicle was almost impossible to control and almost caused me to enter the oncoming lane of traffic.

ODI #11572439 • Filed: 02/16/2024

The contact owns a 2021 GMC Canyon. The contact stated while driving 6 MPH and going over a speed bump, the contact heard an abnormal knocking sound emanating from the driver’s side suspension. No warning lights were illuminated. The vehicle was taken to the dealer, who determ...

#3 AIRBAGS & SAFETY RESTRAINTSCritical Severity71% Match Confidence

Airbag Occupant Detection & Inflator Defect Reports

4
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 #11626131 • Filed: 11/19/2024

While driving, a fire started inside the vehicle between the rear passenger side seat belt and the rear window. My daughters were in the back seat and started screaming. I immediately stopped the vehicle and ran to put the fire out by smothering and throwing water on it. There...

ODI #11590247 • Filed: 05/22/2024

unknown the gmc dealership refuses to repair recalls as they say, theres no recalls on the vehicle. There are 2 recalls and were not told of these recalls when purchasing

ODI #11438689 • Filed: 10/29/2021

I was involved in a MVA with another car. The other car had all their airbags deploy after they struck me. None of my airbags deployed. I was hit in the right front corner ahead of my right tire. The secondary impact was to my right side between my rear passenger door and rear...

#4 ENGINE & COOLINGCritical Severity65% Match Confidence

Engine Stalling, Oil Consumption & Cooling Defect Reports

2
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 (2)
ODI #11679892 • Filed: 08/11/2025

The contact owns a 2021 GMC Canyon. The contact stated that while driving approximately 50 MPH, the vehicle vibrated and shuddered abnormally. The contact stated that there were no warning lights illuminated. The contact stated that the failure was intermittent at first but be...

ODI #11438689 • Filed: 10/29/2021

I was involved in a MVA with another car. The other car had all their airbags deploy after they struck me. None of my airbags deployed. I was hit in the right front corner ahead of my right tire. The secondary impact was to my right side between my rear passenger door and rear...

#5 TRANSMISSION & DRIVETRAINLow Severity84% Match Confidence

Transmission Hesitation, Hard Shifting & Slipping Reports

2
Federal Complaints
Failure Mileage (Median):55,000 milesIQR: 35,00075,000 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 (2)
ODI #11679892 • Filed: 08/11/2025

The contact owns a 2021 GMC Canyon. The contact stated that while driving approximately 50 MPH, the vehicle vibrated and shuddered abnormally. The contact stated that there were no warning lights illuminated. The contact stated that the failure was intermittent at first but be...

ODI #11572439 • Filed: 02/16/2024

The contact owns a 2021 GMC Canyon. The contact stated while driving 6 MPH and going over a speed bump, the contact heard an abnormal knocking sound emanating from the driver’s side suspension. No warning lights were illuminated. The vehicle was taken to the dealer, who determ...

Safety Enforcement

Official NHTSA Safety Recalls (2)

100% Free Dealer Repair
NHTSA Campaign #20V811000Reported: 23/12/2020

SEAT BELTS

Summary: 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.

Safety Consequence: If a seat belt assembly is not properly attached to the vehicle, the seat belt may not properly restrain an occupant in the event of a crash, increasing the risk of injury.
Manufacturer 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.
NHTSA Campaign #21V497000Reported: 01/07/2021

EQUIPMENT:OTHER:LABELS

Summary: General Motors, LLC (GM) is recalling certain 2021 GMC Canyon vehicles. The load carrying capacity printed on the Tire and Loading Information placard is 22.5 kg (51 lbs.) more than intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

Safety Consequence: An incorrect label may lead to unintentionally overloading the vehicle, increasing the risk of a crash.
Manufacturer Remedy: GM will mail owners a new B-pillar label, free of charge. Owners may apply the label, or bring it to a dealer for installation. Owner notification letters were mailed on August 17, 2021. Owners may contact GMC customer service at 1-800-462-8782. GM's number for this recall is N212340735.

Pre-Purchase Inspection Checklist for 2021 GMC Canyon

Before purchasing a used 2021 GMC Canyon, 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: 2021 GMC Canyon

Is the 2021 GMC Canyon a reliable used car?

The 2021 GMC Canyon earns a 5.7/10 MazicBay Reliability Index based on 11 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 2021 GMC Canyon?

The leading complaint category is Electrical Parasitic Drain, Infotainment & Harness Reports, with a median failure point around 55,000 miles (IQR: 35,00075,000 mi).

Are there free recall repairs available for the 2021 GMC Canyon?

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.

2021 GMC Canyon Owner Maintenance & Equipment CenterVerified battery BCI group sizes, oil sump capacities, and tested scan tools.
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