2021 Jeep Gladiator Diesel
Common Problems
Ranked from 109 federal NHTSA complaints. Every problem links to the complaint IDs behind it.
14 Common Problems
Ordered by how often owners reported each one to NHTSA. The bar shows how common a problem is relative to the most-reported on this vehicle. Expand any problem to see the federal complaint IDs.
- 1
Auto Start/Stop System Malfunctions
28complaintsSafety riskElectricalThe vehicle auto-stops or auto-starts under conditions not listed in the owner’s manual, posing a safety hazard.
- 2
Steering Wheel Wobble at High Speeds
20complaintsHigh severitySteeringThe steering wheel shakes violently at high speeds, especially when hitting bumps, causing loss of control.
- 3
Fuel System Issues Leading to Engine Malfunction
17complaintsHigh severityFuel systemThe fuel system has issues leading to engine misfires, stalling, and random changes in RPM, affecting vehicle performance and reliability.
- 4
Death Wobble at Highway Speeds
16complaintsHigh severitySteeringThe vehicle experiences violent shaking and loss of control at highway speeds, particularly when encountering minor bumps.
- 5
Right Rear Axle Seal Leaks
11complaintsMedium severityTransmissionThe right rear axle seal leaks fluid, potentially contaminating the brake system and causing loss of control.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 6
Transmission Issues Leading to Loss of Power
10complaintsHigh severityTransmissionTransmission issues cause the vehicle to lose power and make abnormal sounds, potentially leading to a complete loss of control.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 7
Electrical System Glitches
9complaintsMedium severityElectricalThe vehicle’s electrical system experiences intermittent failures, including dashboard lights and infotainment system malfunctions.
- 8
Steering Wander and Play
6complaintsHigh severitySteeringThe steering wheel has excessive play and requires constant correction to maintain lane position, posing a safety hazard.
- 9
Third Brake Light Failure
6complaintsMedium severityOtherThe third brake light fails without warning, posing a safety risk in low-light conditions.
$150–$1,000est. brake system diagnosis + repair · 1–4 hrs laborGet local quotes - 10
Clutch Issues Leading to Intermittent Clutch Noise and Pedal Feel
4complaintsMedium severityTransmissionThe clutch produces intermittent grinding and clicking noises and feels spongy, indicating a potential failure.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 11
High Pressure Fuel Pump Failure
4complaintsMedium severityFuel systemThe high pressure fuel pump malfunctions, leading to engine performance issues and potential stall.
$500–$1,100est. fuel pump replacement · 2–5 hrs laborGet local quotes - 12
Clutch Malfunction
3complaintsHigh severitySteeringThe clutch fails to engage properly, causing the engine to stall and the vehicle to become unresponsive.
$200–$2,500est. drivetrain diagnosis + repair · 1–8 hrs laborGet local quotes - 13
Engine Stall at Idle Due to Stop-Start System Failure
2complaintsLow severityEngineThe stop-start system intermittently fails, causing the engine to stall at idle.
$150–$900est. stop-start system diagnosis · 1–4 hrs laborGet local quotes - 14
Vehicle Acceleration Issues
2complaintsMedium severityOtherThe vehicle suddenly accelerates uncontrollably, even when the brakes are applied, posing a significant safety risk.
Other years & sources
Data source: U.S. National Highway Traffic Safety Administration (NHTSA) owner complaints and recalls. Problems are clustered and ranked from the complaint record; occurrence counts reflect corroborating complaints, not total incidence. Vehicle image is illustrative. Repair-cost figures are typical U.S. independent-shop ranges (parts + labor) for the class of repair shown — actual quotes vary by region, engine, and diagnosis; always confirm with a local shop.