Volvo XC40 Tail Lights: Specs, Fitment & Common Faults

On the XC40, Volvo's own official UK statement genuinely says rear lights aren't sealed by design — yet owners have still had identical condensation replaced free under warranty when pushed.

Illustration for editorial purposes

OEM Part Numbers

Accuracy note: we weren't able to verify a confident Volvo XC40 tail lights part number at the time of writing. Please confirm the correct part via a Volvo dealer or parts specialist using your VIN.

More Wiring Behind There Than Most People Assume

A tail light unit typically bundles several functions into one housing — brake light, indicator, reversing light and rear fog light — which means a single electrical fault can affect more than one function at once, and a "faulty tail light" can mean several genuinely different things.

Before you buy: tail light design and bulb type vary by trim and facelift status. Always confirm against your VIN before ordering.

What It Does

Beyond basic rear visibility, tail light units on the XC40 typically integrate brake lights, indicators, reversing lights and rear fog lights into a single housing. Higher trims may use LED units with a distinct light signature, which are not interchangeable with standard halogen units even if the physical mounting looks similar.

Fitment & Compatibility

Tail light design changed between generations of the XC40, and facelifted versions within the same generation often use a revised light signature that isn't interchangeable with pre-facelift units. Always confirm the exact part for your specific model year before ordering. Whether you're sourcing a replacement tail 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.

A Genuinely Useful Piece of Context Worth Knowing About Tail Light Condensation — Volvo XC40 Tail Lights

If you're seeing condensation in a tail light, this is genuinely worth knowing: Volvo Car UK's own official position on related models states that moisture can enter rear light assemblies because they are not sealed units by design, to allow heat to disperse — described as a property of the vehicle rather than a fault.

Worth knowing that these lights typically contain an internal electronic module positioned at the bottom of the housing, so water collects directly around it, and if sufficiently flooded can trip the system — worth knowing the light isn't necessarily dead and can sometimes be restored by drying it out properly.

It's also worth knowing that despite this official "normal" position, documented cases describe owners having identical condensation issues replaced free under warranty when they pushed the matter.

Common Faults, DIY Difficulty & Aftermarket Advice

These are the same regardless of make or model — see our full Tail Lights Guide for diagnosing which circuit has failed, how easy this job is to DIY, and aftermarket advice.

More Volvo Tail Lights

The same part, covered across other Volvo models.

Volvo XC40 Tail Lights: Specs, Fitment & Common Faults

OEM Part Numbers

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A Genuinely Useful Piece of Context Worth Knowing About Tail Light Condensation — Volvo XC40 Tail Lights