A Comprehensive Guide to the 2005-2011 Volvo V50 Brake Light Switch
Is your Volvo V50 showing brake failure warnings or having electrical issues? Your brake light switch might be the culprit.
- Symptoms of a bad switch are diverse, affecting not just brake lights but also the shifter, cruise control, and ABS system.
- This is a very easy and inexpensive DIY repair that most owners can complete in under an hour with basic tools.
- High-quality aftermarket parts are a cost-effective and reliable option for this repair due to the V50's shared platform with Ford and Mazda.
- Always check your fuses and bulbs first before buying a new switch to avoid a misdiagnosis.
Is Your V50's Brake Light Switch Failing?

A faulty brake light switch on a 2005-2011 Volvo V50 can cause a surprising number of problems. Because it's tied into multiple vehicle systems, symptoms often go beyond just the brake lights. Recognizing the signs early can save you from a dangerous situation or a car that won't shift out of park.
Safety First: Check Fuses and Bulbs
Before assuming the switch is bad, always check the simple things first. Make sure the brake light fuse isn't blown and that the brake light bulbs themselves haven't burned out. It's common for one bulb to go, but if all lights are out, the switch is a likely suspect.
Common Symptoms of a Bad Brake Light Switch

- No Brake Lights: The most obvious and dangerous symptom is the brake lights not lighting up at all when you press the pedal.
- Brake Lights Stuck On: The switch can fail in the 'on' position, leaving your brake lights illuminated constantly, which can drain your battery and confuse other drivers.
- Can't Shift Out of Park: Your V50 has a safety feature that requires the brake pedal to be pressed to shift out of Park. A bad switch won't send this signal, leaving your shifter locked.
- Cruise Control Issues: The cruise control may not engage, or it might turn off unexpectedly while driving.
- Dashboard Warning Lights: A faulty switch can trigger the ABS or other brake-related warning lights on your dashboard. 🎬 See a breakdown of common symptoms and what replacement costs.
Choosing the Right Aftermarket Part

For this specific part on the V50, you don't need to pay high dealership prices for a Genuine Volvo part. The V50 is built on Volvo's P1 platform, which is shared with the Ford Focus and Mazda 3 of the same era. This means the brake light switch is a common, mass-produced part, and high-quality aftermarket versions are widely available and reliable.
Here’s a look at the available brands:
- Standard Ignition (SMP): A long-standing brand trusted by professional mechanics for over a century. They are known for producing quality parts that meet or exceed original specifications. A solid, reliable choice.
- Vemo: A German brand that produces a wide range of electronic parts. Often considered a good quality aftermarket option in Europe and North America.
- Facet: An Italian company that specializes in electronic components. They state their parts are made to OE specifications and are a common choice for European vehicles.
- VNE: While less common, VNE parts are typically positioned as a budget-friendly alternative.
Pro Tip: Given the simple, non-critical nature of this electronic switch and the shared platform design, any of the well-known aftermarket brands like Standard, Vemo, or Facet are excellent choices that offer significant savings over the OEM part without sacrificing reliability for this component.
Cost of Replacing a Volvo V50 Brake Light Switch
| Part / Service | Estimated Cost |
|---|---|
| New Aftermarket Part | $21 - $49 |
| New OEM Part | $70 - $95 |
| Shop Labor | $61 - $90 |
| Total Professional Replacement | $90 - $126 |
Frequently Asked Questions

Can I replace the brake light switch myself?
Yes, this is a great DIY job for beginners. The switch is located above the brake pedal. The job requires removing a plastic panel under the dashboard (held by a few screws), unplugging the electrical connector, and twisting the old switch to remove it. Installation is the reverse of removal. 🎬 Watch this step-by-step walkthrough of the brake pedal sensor replacement. No special tools are needed, and it typically takes less than an hour.
Are there any recalls for the V50 brake light switch?
No. Searches of the National Highway Traffic Safety Administration (NHTSA) database show no specific recalls or technical service bulletins (TSBs) for the brake light switch on the 2005-2011 Volvo V50.
How do I know it's the switch and not something else?
First, have a friend stand behind the car while you press the brake pedal to confirm the lights don't work. Check the brake light fuse in the fuse box. If the fuse and bulbs are good, the switch is the most likely cause, especially if you are also having issues with the cruise control or shifting from Park.
Why does the switch fail?
Like any mechanical switch, it simply wears out from use. Every time you press the brake pedal, the switch's internal plunger and contacts are used. Over thousands of cycles, it can fail, get stuck, or make poor contact.
Helpful Videos
Technical Specifications
OEM Part Numbers: 30773935 31687031
Located on the brake pedal support bracket, this switch uses a plunger that is depressed when the brake pedal is at rest. When the pedal is pressed, the plunger extends, completing the electrical circuit to activate the lights and send signals to other modules.
We Have This Part in Stock
The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Volvo V50: