Volvo XC40 Fog Lights: Specs, Fitment & Common Faults
On the XC40, retrofitted fog lights on related models genuinely need specific dealer programming to be recognised, even with wiring already set up.
Illustration for editorial purposes
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Volvo XC40 Fog Lights: OEM Part Number
Volvo XC40 Fog Lights: Rarely Used, Easy to Forget About Until Needed
Fog lights are one of those parts on the Volvo XC40 nobody checks until they need them, and with most owners using them only a few times a year, a fault can linger unnoticed for a long time before a foggy morning finally reveals it.
Volvo XC40 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 XC40 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
Volvo XC40 Fog Lights: Generations & Fog Light Type
| Standard trims | Halogen fog light bulb as standard |
|---|---|
| Higher trims, later model years | LED fog lights become available further up the range, genuinely a different assembly and connector from the halogen units on lower trims |
Not every trim level of the XC40 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 Volvo XC40 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.
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A Genuinely Useful Piece of Context Worth Knowing About Fog Light Retrofits — Volvo XC40 Fog Lights
If you're fitting OEM fog lights to a car that didn't come with them, this is genuinely worth knowing: documented cases on related Volvo models describe the Central Electronic Module needing specific dealer programming to recognise and activate retrofitted lights, even when the wiring is already fully set up — a used module won't be effective for this purpose.
It's also worth knowing that a lot of apparent fog light confusion actually relates to a distinct, separate cornering lights feature.
Volvo XC40 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 Volvo Fog Lights
The same part, covered across other Volvo models.