Description
Start-Stop Control Switch For Citroën/Peugeot. From Peugeot 308 T7.
The ECO OFF Start-Stop control switch (part number 96671871XT) is a direct-fit replacement switch originating from the Peugeot 308 (T7) series. Designed for mechanics and experienced DIYers, this switch lets drivers disable the vehicle’s automatic start-stop system when required. Supplied as an OE-style unit for Citroën and Peugeot vehicles, it is frequently searched by its product code 96671871XT, making it easy to find in parts catalogs and online listings.
Technical Information
- Manufacturer: Stellantis
- Model: Peugeot 308 (T7)
- Product Codes: 96671871XT
- Other Numbers: No Additional OEM Numbers Available
Function And Fitment
This switch controls the Start-Stop system enable/disable function (ECO OFF). When activated, it prevents the engine from automatically stopping at idle under the start-stop logic, giving the driver manual control over the system. The unit fits Peugeot and Citroën vehicles that use the same switch assembly as the Peugeot 308 T7; always verify the product code 96671871XT when searching for compatibility.
Replacement Procedure
Replacement is straightforward for an experienced technician or an equipped DIYer. Typical steps:
- Ensure The Vehicle Is Secure: Park on a level surface, engage the parking brake and remove the key from ignition where applicable.
- Disconnect The Battery: For safety and to avoid electrical damage, disconnect the negative battery terminal before starting work.
- Remove Trim Panels: Carefully pry away the surrounding trim or bezel using appropriate plastic trim tools to avoid marks or broken clips.
- Release The Switch: Unclip or unscrew the retaining mechanism holding the switch in place (method depends on trim design).
- Disconnect Electrical Connector: Unplug the switch connector by releasing its locking tab and gently pulling straight out.
- Install New Switch: Plug in the new switch, secure it in the trim opening, refit panels, reconnect the battery and test the function of the Start-Stop/ECO OFF system.
Installation Recommendations
- Use Trim Removal Tools To Prevent Damage To Panels And Clips.
- Handle Electrical Connectors By The Housing, Not The Wires, To Avoid Breakage.
- After Installation, Verify Switch Illumination And That The Start-Stop System Responds Correctly To The Switch Position.
- If You Encounter Fault Codes Or Unexpected Behavior, Diagnose The Vehicle With Proper Diagnostic Equipment.
Why This Part Most Commonly Fails
Common failure modes for Start-Stop/ECO OFF switches include:
- Mechanical Wear: Repeated pressing causes internal contacts or plastic actuator parts to degrade or break over time.
- Electrical Contact Degradation: Oxidation or carbon buildup on contacts can lead to intermittent operation or complete failure.
- Moisture And Contaminants: Spills, humidity, or dirt ingress can corrode contacts or damage internal LEDs and electronics.
- Connector Or Wiring Issues: Broken wires, poor terminal engagement, or corroded connector pins can interrupt the circuit.
There Is No Fixed Service Interval For This Switch; Its Lifespan Depends On Usage Frequency, Environmental Exposure And Handling During Interior Work.
Search And Identification Tips
This part is commonly searched by its OE code 96671871XT. When ordering or searching online, use the product code and model reference (Peugeot 308 T7) to increase the chance of finding the correct match.
