Peugeot 308 Fog Lights: Specs, Fitment & Common Faults

Confirmed: fog lights genuinely have no dedicated fuse to find — they're controlled directly by the BSI module, and a reset often fixes faults that look like wiring problems.

Illustration for editorial purposes

OEM Part Number: confirm via VIN — aftermarket Valeo 043599 / Valeo 043600

Confirmed: There Genuinely Is No Dedicated Fuse to Find — Peugeot 308 Fog Lights

If your fog lights have stopped working and you've spent time searching the fuse box diagram without finding one specifically labelled for front or rear fog lights, this is genuinely worth knowing before you keep looking: on many Peugeots, fog lights aren't wired through a conventional dedicated fuse at all. Instead, they're controlled directly by the BSI (Built-in Systems Interface — the car's central electrical control module), meaning there's simply no fuse to locate in the fuse box, regardless of how carefully you check the diagram. This is a repeatedly reported source of genuine confusion, with multiple owners independently confirming they searched exhaustively and found no fog light entry anywhere in their fuse box layout.

If you've swapped bulbs and the lights still don't work, checking for corrosion or a poor connection at the fog light switch and its wiring is also worth doing, since a faulty switch can prevent the BSI from ever receiving the signal to activate the lights in the first place, even with everything else in the circuit working correctly.

Peugeot 308 Fog Lights: Rarely Used, Easy to Forget About Until Needed

Given how rarely most Peugeot 308 owners actually switch these on, a fault can develop and go completely unnoticed for a long time — until a genuinely foggy morning arrives and the problem picks the worst possible moment to show itself.

Peugeot 308 Fog Lights: Watch: Replacing It

H11 bulb and fog light removal on a T9 Allure

Peugeot 308 Fog Lights: What It Does

Front fog lights are angled and positioned to illuminate the road surface in low visibility conditions without creating the glare a standard headlight beam would in fog. Some higher trims of the 308 integrate fog lights into the same housing as cornering lights or daytime running lights, which affects both the part number and the complexity of any repair.

Fitment & Compatibility

Peugeot 308 Fog Lights: Generations & Fog Light Type

Not every trim level of the 308 comes with fog lights fitted as standard, and the housing design often differs between trims that have them integrated with other lighting functions and those with a standalone unit. Always confirm your specific trim's fitment before ordering. Whether you're sourcing a replacement fog lights for your Peugeot 308 from a dealer, specialist, or online marketplace, always check compatibility against your registration or VIN before buying, and confirm you're ordering the correct side — driver's side (RH in the UK) or passenger side (LH in the UK) — since these are not interchangeable.

Peugeot 308 Fog Lights: Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Fog Lights Guide for common faults to check for (including exactly what fails an MOT), how easy this job is to DIY, and aftermarket advice.

More Peugeot Fog Lights

The same part, covered across other Peugeot models.

• Peugeot 108 Fog Lights
• Peugeot 2008 Fog Lights
• Peugeot 208 Fog Lights
• Peugeot 3008 Fog Lights
• Peugeot 508 Fog Lights
• Peugeot Partner Fog Lights