Description
Heating And Air Conditioning Fan Control Module BEHR For PEUGEOT 3008 And 5008 First Generation. We Also Have This Part In Stock With A Piece Of Wiring Harness. This One Is Without Wiring Harness.
High-quality Behr heater/blower fan control module designed for first-generation Peugeot 3008 and 5008. This replacement control unit manages blower motor speed and fan functions for the vehicle climate system, restoring precise airflow control and reliable heating/cooling performance. Supplied without the wiring harness — a harnessed version is available separately.
Technical Information
- Manufacturer: Behr (Stellantis/Peugeot Supplier)
- Model: Peugeot 3008 I, Peugeot 5008 I (First Generation)
- Product Codes: P7708004, P7708003, 6441CQ
- Other Numbers: Commonly referenced under 6441CQ / P7708003 / P7708004 in parts catalogs and search queries
Function And Application
The module regulates the blower motor (heater/air conditioning fan) using electronic control (pulse-width modulation or equivalent) to provide accurate fan speeds commanded by the climate control unit. It monitors current draw and converts control signals into the appropriate power output for the blower motor. Correct operation is essential for cabin comfort, defogging, and climate control performance.
Symptoms And Diagnostics
- Intermittent fan speeds or Loss Of Some Speed Settings — Common sign of failing control electronics.
- No Blower Operation — Could indicate module failure, a blown fuse, or a faulty blower motor drawing excessive current.
- Fan Stuck At One Speed (Often High) — Internal switching transistor or control stage damaged.
- Wire Connector Corrosion Or Damage — Check connector pins and wiring before module replacement.
Installation Recommendations
- Disconnect The Battery Before Starting Work To Avoid Short Circuits And Protect The Module.
- Access The Module Typically From Under The Glovebox Or Passenger Footwell; Remove Trim Panels And Fasteners To Reach The Blower Housing.
- Unplug The Electrical Connector And Remove The Fixing Screws Or Clips Securing The Module.
- Compare The Replacement Module With The Old Unit For Connector Type And Mounting Points; Ensure Correct Orientation When Installing.
- If The Original Failure Was Caused By A Faulty Blower Motor Or Water Ingress, Repair The Root Cause Before Installing The New Module To Prevent Immediate Re-Failure.
- After Installation, Reconnect The Battery And Verify All Fan Speeds And Climate Functions Operate Normally.
Why This Part Fails Most Often
- Overload From A Worn Or Sticking Blower Motor Causing Excessive Current And Thermal Stress On The Module.
- Water Intrusion Into The Heater Box Or Connector Area Resulting In Corrosion And Short Circuits.
- Age-Related Degradation Of Electronic Components (Thermal Cycling, Oxidation).
- Poor Electrical Connections Or Damaged Wiring Leading To Intermittent Operation And Component Damage.
Compatible With First-Generation Peugeot 3008 And 5008 Vehicles; Often Searched By Part Numbers P7708004, P7708003, And 6441CQ — Use These Codes For Fast Lookup. Order This Behr Control Module When You Need Reliable Replacement Electronics For The HVAC Blower System.
