Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2008 Jeep Commander 4WD V6-3.7LFACTORY OEM SERVICE PROCEDURE
Intake Air Temperature Sensor
Component ID: 499
Component : SENSOR-INTAKE AIR TEMPERATURE
Connector:
Name : SENSOR-INTAKE AIR TEMPERATURE
Color :
# of pins : 2
Qualifier : (DIESEL)
Pin Circuit Description
1 K960 18BR/VT IAT GROUND
2 K21 20DG/WT IAT SIGNAL
Component Location - 30
Component Location - 20
Component Location - 24
Connector:
Name : SENSOR-INTAKE AIR TEMPERATURE
Color : GRAY
# of pins : 2
Qualifier : (GAS)
Pin Circuit Description
1 K21 20BR/WT IAT SIGNAL
2 K900 20DB/DG SENSOR GROUND
Component Location - 30
Component Location - 20
Component Location - 24
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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