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2021 Jeep Wrangler Unlimited
Common Problems

Ranked from 440 federal NHTSA complaints. Every problem links to the complaint IDs behind it.

6
Safety
2
High severity
6
Medium
2
Low
6 problems on this vehicle involve a crash, fire, or injury risk. If you are experiencing one, stop driving and have it inspected.

16 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.

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  1. 1

    Steering Wander and Instability

    177complaints
    Safety riskSteering

    The steering wheel wavers and requires constant correction to maintain straight-line driving.

  2. 2

    Engine Stall or Loss of Power

    158complaints
    Safety riskEngine

    The vehicle unexpectedly stalls or loses power while driving, often requiring a tow and can lead to dangerous situations.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 15 hrs labor
    Get local quotes
  3. 3

    Death Wobble at Highway Speeds

    125complaints
    Safety riskSteering

    The vehicle experiences violent shaking and loss of control at highway speeds when hitting bumps or potholes.

  4. 4

    Engine Stalling or Random Shutdown

    53complaints
    Safety riskEngine

    The engine randomly stalls and does not restart, posing a risk of losing control of the vehicle.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 15 hrs labor
    Get local quotes
  5. 5

    High-Voltage Battery Issues

    11complaints
    Safety riskElectrical

    The high-voltage battery system is prone to failure, leading to loss of power, engine stalling, and potential vehicle fires.

  6. 6

    Electrical System Malfunction Causing Dashboard Failure

    6complaints
    Medium severityElectrical

    Dashboard and instrument panel failures cause loss of critical vehicle information, leading to potential accidents.

  7. 7

    Recall Non-Resolution

    5complaints
    High severityOther

    Multiple recalls have not been properly addressed, leaving the vehicle with unresolved safety and performance issues.

  8. 8

    Brake System Malfunctions

    4complaints
    Medium severityBrakes

    Multiple reports of brake system failures including loss of power boost and repeated vacuum pump failures.

    $150–$1,000est. brake system diagnosis + repair · 14 hrs labor
    Get local quotes
  9. 9

    Suspension and Wheel Issues

    4complaints
    Medium severitySuspension

    Reports of suspension and wheel-related issues including death wobble and violent shaking at high speeds.

    $150–$1,200est. suspension diagnosis + repair · 15 hrs labor
    Get local quotes
  10. 10

    Drivetrain Instability

    3complaints
    Medium severityTransmission

    The vehicle experiences drivetrain instability, including high RPM flares and delayed shifting, especially during acceleration.

    $200–$2,500est. drivetrain diagnosis + repair · 18 hrs labor
    Get local quotes
  11. 11

    Engine Stall at Low Fuel Levels

    3complaints
    Medium severityEngine

    The engine stalls unexpectedly when the fuel level is low and the vehicle is traveling downhill, indicating fuel starvation issues.

    $150–$1,200est. stalling / shutdown diagnosis + repair · 15 hrs labor
    Get local quotes
  12. 12

    Instrument Cluster Failures

    3complaints
    Low severityElectrical

    Multiple instances of instrument cluster failures resulting in loss of important vehicle information such as speed, fuel level, and warning lights.

    $300–$1,000est. instrument cluster repair/replacement · 13 hrs labor
    Get local quotes
  13. 13

    Suspension Issues Leading to Violent Shaking

    3complaints
    Safety riskSuspension

    The suspension system causes violent shaking and loss of control at high speeds or over bumps, posing a safety risk.

    $150–$1,200est. suspension diagnosis + repair · 15 hrs labor
    Get local quotes
  14. 14

    Backup Camera Malfunction

    2complaints
    Low severityOther

    Random malfunctions of the backup camera reduce visibility and safety during reversing operations.

    $250–$800est. backup camera replacement · 13 hrs labor
    Get local quotes
  15. 15

    Engine Overheating

    2complaints
    High severityEngine

    The engine temperature gauge spikes to high, and the infotainment system displays an engine overheating warning.

    $150–$1,200est. cooling-system diagnosis + repair · 16 hrs labor
    Get local quotes
  16. 16

    Suspension Instability

    2complaints
    Medium severitySuspension

    Severe electrical/hydraulic failures leading to violent shaking and instability at higher speeds.

    $150–$1,200est. suspension diagnosis + repair · 15 hrs labor
    Get local quotes

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.