2021 Jeep Gladiator Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 288 verified NHTSA owner complaints, 8 federal safety recalls, and interquartile failure mileage telemetry.
The 2021 Jeep Gladiator receives a 3.3/10 MazicBay Reliability Index based on 288 verified NHTSA federal complaints and 8 safety recalls. The primary reported failure mode is Electric Power Steering Assist & Suspension Noise Reports with a median failure point at 15,900 miles (IQR: 9,375 – 23,917 mi). Out-of-warranty repairs benchmark at $450 – $1,400 .
41.1 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
8 Active / Free Remedies
2021 Gladiator Failure Distribution by Vehicle Subsystem
Top Reported Problem Clusters (7)
Electric Power Steering Assist & Suspension Noise Reports
Transmission Hesitation, Hard Shifting & Slipping Reports
Engine Stalling, Oil Consumption & Cooling Defect Reports
Service Brakes, ABS Actuator & Master Cylinder Reports
Electrical Parasitic Drain, Infotainment & Harness Reports
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
Airbag Occupant Detection & Inflator Defect Reports
Official NHTSA Safety Recalls (8)
POWER TRAIN:CLUTCH ASSEMBLY
Summary: Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressu
BACK OVER PREVENTION:DISPLAY FUNCTION
Summary: Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview
FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP
Summary: Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The hig
POWER TRAIN:CLUTCH ASSEMBLY
Summary: Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch press
FUEL SYSTEM, DIESEL:DELIVERY:FUEL PUMP
Summary: Chrysler (FCA US, LLC) is recalling certain 2021-2023 Jeep Wrangler, Gladiator, and 2022-2023 Ram 1500 vehicles equipped with a 3.0L diesel engine. The high pr
POWER TRAIN:MANUAL TRANSMISSION:CONTROL MODULE:SOFTWARE
Summary: Chrysler (FCA US, LLC) is recalling certain 2021 Jeep Wrangler and Jeep Gladiator vehicles that were previously remedied under NHTSA recall number 23V-116. The
ELECTRICAL SYSTEM: INSTRUMENT CLUSTER/PANEL
Summary: Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an inter
STEERING:HYDRAULIC POWER ASSIST:PUMP
Summary: Chrysler (FCA US, LLC) is recalling certain 2021-2025 Jeep Wrangler, Wrangler 4XE, and Jeep Gladiator vehicles. The electric hydraulic power steering pump wirin
Tools for Diagnosing the 2021 Jeep Gladiator
Reads & clears all DTC codes including ABS, SRS, TPMS. Live sensor data with freeze frames. Works on all 1996+ vehicles.
Direct-fit brake hardware engineered to factory tolerances for consistent pedal feel and fade resistance.
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Pre-Purchase Inspection Checklist for 2021 Jeep Gladiator
Before purchasing a used 2021 Jeep Gladiator, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
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.
Verify that all 8 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2021 Jeep Gladiator
Is the 2021 Jeep Gladiator a reliable used car?
The 2021 Jeep Gladiator earns a 3.3/10 MazicBay Reliability Index based on 288 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 Jeep Gladiator?
The leading complaint category is Electric Power Steering Assist & Suspension Noise Reports, with a median failure point around 15,900 miles (IQR: 9,375 – 23,917 mi).
Are there free recall repairs available for the 2021 Jeep Gladiator?
Yes, the NHTSA records 8 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.