Common Jeep OBD Codes
Jeep models are known for EVAP system leak codes, especially on the Wrangler due to its exposed fuel system. Misfire codes, oxygen sensor faults, and variable valve timing issues are frequent on the 3.6L Pentastar V6 engine.
Most Common Jeep Diagnostic Codes
Evaporative Emission Control System Leak Detected (Gross Leak)
Typical cost: $15 - $500
Evaporative Emission Control System Very Small Leak Detected
Typical cost: $15 - $500
Catalyst System Efficiency Below Threshold
Typical cost: $200 - $2500
Random/Multiple Cylinder Misfire Detected
Typical cost: $100 - $2500
System Too Lean (Bank 1)
Typical cost: $75 - $1200
Evaporative Emission Control System Malfunction
Typical cost: $20 - $600
Evaporative Emission Control System Leak Detected (Small Leak)
Typical cost: $20 - $600
Intake Camshaft Position Timing Over-Advanced (Bank 1)
Typical cost: $50 - $2000
Cylinder 1 Misfire Detected
Typical cost: $50 - $1200
Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
Typical cost: $100 - $350
Popular Jeep Models
The codes listed above are commonly reported across these Jeep models. Actual codes may vary by model year and engine type.
Recent Jeep Recalls
2 Active Recalls — 2026 Jeep Grand Cherokee
The following NHTSA safety recalls have been issued for this vehicle. Contact your dealer to check if your vehicle is affected.
ELECTRICAL SYSTEM:PROPULSION SYSTEM
Chrysler (FCA US, LLC) is recalling certain 2022-2026 Jeep Grand Cherokee Plug-In Hybrid Electric (PHEV) vehicles. A software error within the hybrid control processor may result in a loss of drive power.
Remedy: Dealers will update the hybrid control processer software, free of charge. Owner notification letters were mailed October 14, 2025. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 73C. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 11, 2025.
ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.
Remedy: Owners are advised to park outside and away from structures and not to charge their vehicles until the remedy is completed. Dealers will update the high voltage battery software, and replace the high voltage battery, as necessary, free of charge. Some owner notification letters were mailed beginning December 17, 2025. The remaining owner notification letters will be mailed at a later date. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 68C. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 6, 2025. Vehicles that were previously recalled for the same issue under NHTSA Recalls 24V720 and 23V787 will need to have the new remedy performed.
Data provided by the National Highway Traffic Safety Administration (NHTSA).
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An OBD-II scanner lets you read and clear diagnostic trouble codes from your vehicle's computer. Most scanners work with any car made after 1996.
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