Dodge Viper Brake Light Switch Guide for 2012-2017 Models
Fixing common brake light, cruise control, and shifting problems starts with this small but critical part.
- A bad brake light switch is a common cause for brake lights staying on or not working, and for cruise control failure on a 2012-2017 Viper.
- This is a simple, inexpensive, and fast DIY repair that most owners can perform themselves in under 30 minutes.
- The OEM Mopar part (56038914AC) offers a guaranteed fit, while brands like Standard Ignition and Dorman are reliable aftermarket alternatives.
- Driving with a non-functional brake light switch is a critical safety hazard and should be addressed immediately.
Is Your Viper's Brake Light Switch Failing?
A faulty brake light switch can cause several confusing issues that might not seem related at first. Because this switch talks to multiple systems in your Viper, its failure can create a chain reaction of symptoms. Recognizing these signs is the first step to a quick and simple fix.
Common Symptoms of a Bad Switch
- Brake Lights Don't Work: The most dangerous symptom is when your brake lights fail to illuminate when you press the pedal. This is a major safety hazard.
- Brake Lights Stay On: A switch that is stuck in the 'on' position will keep your brake lights illuminated, even when the car is off. This will drain your battery and confuse other drivers.
- Cruise Control Issues: You may find that the cruise control won't turn on, or it might shut off by itself while driving. This happens because the car thinks you are pressing the brake, which always overrides the cruise control.
- ABS or Stability Control Warning Lights: A faulty switch can send an incorrect signal to the traction and stability control systems, sometimes causing a warning light to appear on your dashboard.
Recall & TSB Information for 2012-2017 Dodge Viper
As of early 2026, there are no specific recalls or Technical Service Bulletins (TSBs) from Dodge for the brake light switch on the 2012-2017 Viper. However, a past recall on aftermarket switches for older Vipers (NHTSA 16E001000) highlights the importance of choosing a quality part. Other FCA vehicles have had recalls for similar switches, showing that even OEM parts can sometimes have manufacturing defects.
Choosing the Right Aftermarket Brake Light Switch
For the 2012-2017 Viper, you have a few good options. The original Mopar part is the benchmark, but quality aftermarket brands offer a reliable alternative at a lower price.
Pro Tip: A Simple DIY Job
Replacing the brake light switch is one of the easiest repairs you can do on your Viper. It is located just above the brake pedal arm and typically twists into a bracket. The job requires no special tools and can be done in under 30 minutes, saving you significant labor costs.
Frequently Asked Questions
Where is the brake light switch located on my 2012-2017 Viper?
The brake light switch is mounted on a bracket directly above the brake pedal arm. You will need to look up under the dashboard in the driver's footwell to see it.
Can I drive my Viper with a bad brake light switch?
No. If your brake lights are not working, it is a critical safety risk and illegal to drive on public roads. If the lights are stuck on, you risk draining your battery. This part should be replaced immediately once a problem is confirmed.
Is replacing the brake light switch a DIY job?
Yes, this is a great DIY task for owners of any skill level. It involves disconnecting the electrical connector and twisting the switch to remove it from its bracket. The entire process usually takes less than 30 minutes.
Do I need to calibrate or adjust the new switch?
Most modern switches for the Viper are self-adjusting. When you install the new switch, it sets its own plunger depth. It's important to follow the installation instructions, which may require you to press the brake pedal during installation to ensure correct placement. Some older styles were considered 'one-time use' for this reason.
Technical Specifications
OEM Part Numbers: 56038914AC 56038914AB 56038914AA
The switch is located on the brake pedal support bracket. It is a plunger-style switch that is activated by the movement of the brake pedal arm. Installation is typically a twist-lock design.
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.
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