Top 30 Jeep OBDII Engine Codes

EVAP System Large Leak

Cylinder Misfire Fault Detected Random Cylinders

Transaxle Control System Malfunction

Catalyst System Efficiency Bank 1

EVAP System Small Leak

Camshaft Position Sensor Circuit Bank 1 Sensor 1

Catalyst Efficiency Bank 2

EVAP Leak Detection Pump Pressure Switch Condition

CMP or CKP Signal Intermittent Condition

Thermostat Rationality

Fuel System 1/1 Lean

Torque Converter Clutch Circuit

Cylinder Misfire Fault Detected

Cylinder Misfire Fault Detected

Cylinder Misfire Fault Detected

O2 Sensor 1/2 Circuit High

Cylinder Misfire Fault Detected

Evaporative Emission Control Small Leak Detected

Intake Air Temperature Sensor 1 Circuit High

EVAP Purge System Performance

Incorrect Gear Ratio

Camshaft Position Sensor Intermittent Bank 1 Sensor 1

Fuel System 2/1 Lean

Throttle Position Sensor/Accelerator Position Pedal Circuit High Input

Cooling Fan 1 Control Circuit

Closed Loop Fueling Not Achieved Bank 2

Governor Pressure Sensor Offset Voltage Too High or Low

Closed Loop Fueling Not Achieved Bank 1

Engine Is Cold Too Long

Cooling System Performance