Dodge Grand Caravan Brake Fluid Level Sensor Guide (2007-2020)
Is the red 'BRAKE' light on your dash even though the fluid is full? Your level sensor might be the problem.
- The main symptom of failure is the red 'BRAKE' light staying on when fluid is full and the parking brake is off.
- Replacement is extremely easy and can be done in under 15 minutes with basic tools.
- The sensor slides out of the side of the reservoir; no need to drain fluid or remove the reservoir.
- Standard Ignition is a reliable aftermarket option for this part, offering similar quality to OEM for this application.
Is Your 'BRAKE' Light On? Diagnosing the Level Sensor

The most common reason to replace the brake fluid level sensor is a persistent red 'BRAKE' warning light on your dashboard, even after you've confirmed two things: the parking brake is fully disengaged, and the brake fluid reservoir is filled to the 'MAX' line. On these Grand Caravans, the warning light can indicate three main issues: the parking brake is on, the brake fluid is low, or there's a fault in the anti-lock braking system (ABS). If the ABS light isn't also on, and you've checked the fluid and parking brake, the level sensor itself becomes the primary suspect. 🎬 See how a faulty sensor triggers the dashboard warning light. Over time, the internal components of the sensor can fail, sending a false low-level signal.
First, Rule Out Other Issues
Before buying a new sensor, perform these simple checks:
- Check Fluid Level: The reservoir is located on the driver's side of the engine bay. Make sure the DOT 3 brake fluid is at the 'MAX' line. If it's low, top it off and inspect for leaks around your wheels 🎬 Learn how to properly check and top off your brake fluid. and along the brake lines.
- Test the Parking Brake Switch: Engage and disengage the parking brake several times to see if the light responds correctly. Sometimes, simply unplugging the switch (located under the dash near the parking brake pedal) can help diagnose a faulty switch.
Choosing the Right Aftermarket Sensor

For the 2007-2020 Dodge Grand Caravan, the aftermarket selection for this specific sensor is straightforward. The primary brand available is Standard Ignition (also known as Standard Motor Products or SMP).
- Standard Ignition (FLS263): Standard is a well-established aftermarket manufacturer that produces parts designed to be direct-fit OE replacements. Their sensors undergo extensive testing to ensure reliability and use quality materials for longevity. For a part like this, which is not a high-wear component, a quality aftermarket brand like Standard offers a reliable and cost-effective alternative to the more expensive OEM Mopar part without a significant difference in performance or lifespan.
OEM vs. Aftermarket Quality
The original Mopar sensor and the Standard Ignition aftermarket sensor are both simple electronic switches. While some complex engine or transmission sensors benefit from sticking with the OEM design, the brake fluid level sensor is a component where a reputable aftermarket brand provides comparable quality and function for less money. The key is the direct-fit design, which ensures the electrical connector and mounting style match the original perfectly.
| Part Type | Estimated Price Range |
|---|---|
| New OEM (Mopar) | $45 - $70 |
| New Aftermarket (Standard Ignition) | $72.43 |
| Used OEM | $20 - $40 |
| Shop Labor | $41 - $60 |
Frequently Asked Questions (FAQ)

Is it difficult to replace the brake fluid level sensor myself?
No, this is a very easy DIY job. The sensor is located on the side of the brake fluid reservoir. The replacement process involves unplugging the electrical connector, releasing a small retaining tab with a pick or small screwdriver, and sliding the old sensor out. The new sensor slides right in. 🎬 Watch this step-by-step guide to replacing your brake level sensor. The entire job typically takes less than 15 minutes and requires no special tools.
Do I need to drain the brake fluid to replace the sensor?
No. The sensor slides into the side of the reservoir and does not require the reservoir to be drained or removed. You will not lose any brake fluid during the replacement.
Are there any recalls for the brake fluid level sensor on my Grand Caravan?
There are no specific recalls for the brake fluid level sensor itself. However, there have been recalls for other brake components on certain model years, such as for rear brake calipers on 2018-2019 models (NHTSA recall U86). These recalls do not involve the level sensor.
Could a bad sensor cause any other symptoms?
Primarily, a bad sensor will only cause the brake warning light to illuminate incorrectly. In very rare and unusual cases, forum users have reported strange electrical behavior, like fluctuating fuel gauges, that coincided with the brake light issue, but the sensor's main and intended symptom is just the warning light. It will not make the brakes feel spongy or cause the vehicle to stall.
Helpful Videos
Technical Specifications
OEM Part Numbers: 68002155AA 5140310AA 4797655
2-Pin Connector, Slide-in Mount
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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