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
Control Module HVAC
Component ID: 217
Component : MODULE-FRONT BLOWER POWER
Connector:
Name : MODULE-FRONT BLOWER POWER C1
Color : BLACK
# of pins : 4
Qualifier : (ATC)
Pin Circuit Description
1 - -
2 Z134 12BK/LG GROUND
3 C56 20VT FRONT BLOWER CONTROL
4 C7 12DB FRONT BLOWER MOTOR RELAY OUTPUT
Component Location - 34
Connector:
Name : MODULE-FRONT BLOWER POWER C2
Color : BLACK
# of pins : 2
Qualifier : (ATC)
Pin Circuit Description
1 C7 12DG FRONT BLOWER MOTOR RELAY OUTPUT
2 C75 12BK BLOWER MOTOR GROUND
Component Location - 34
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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