Picture this: you're easing up to a stop sign in a parking lot, foot on the brake, and the van gives a little shove forward like someone bumped you from behind. Nobody did. If that's happened in your Sienna, you're not imagining it, and you're far from the only one.
How the Sienna stops (and why it matters)
Every 2021 and newer Sienna is a hybrid. When you press the brake, the electric motors slow the van first and send energy back to the hybrid battery. That's regenerative braking. As you slow down, the system blends in the normal hydraulic brakes (pads and rotors) and eventually hands the job over to them. Toyota's own launch materials note you can "downshift" to add more regenerative braking on hills.
When that blend is smooth, you never notice it. When it isn't, there can be a moment where the van decelerates less than you expected, right when you're closest to the car in front.
What owners are reporting
We looked at NHTSA complaints filed for the Sienna Hybrid. Of the brake complaints, a big share describe the same lurch:
| Model year | Brake complaints | Describing a lurch, surge or brake release |
|---|---|---|
| 2021 Sienna | 9 | 6 |
| 2022 Sienna | 5 | 4 |
| 2023 Sienna | 26 | 19 |
| 2024 Sienna | 18 | 11 |
Owners use strikingly similar words: "lurches forward while braking," "brakes momentarily release," "feels like hydroplaning," and "most often through a curve" or "going down a slight hill." Several say it happens under 20 mph. One 2021 owner said the dealer reset the system and it came back. These are owner reports, not a confirmed defect finding, and NHTSA hasn't announced an investigation into it.
Related recall to check
One recall touches the brake computer, though it isn't about the lurch. Recall 22V239000 covers certain 2021-2022 Sienna models: the Skid Control ECU software may not turn stability control back on after a restart if the driver had switched it off. Dealers update the software free. Check your VIN at nhtsa.gov/recalls and ask that any open campaign be done during your visit.
What to do about the lurch
- Write down when it happens. Speed, slope, curve, temperature, and whether the AC or cruise was on. A dealer can't fix what it can't reproduce.
- Record it if you safely can. A dash cam with speed overlay is gold. Have a passenger film the dash, never you.
- Ask the dealer to check for brake control software updates or bulletins for your VIN, and to scan the skid control ECU for stored codes.
- Get the visit on a repair order, even if they find nothing. That paper trail matters if a recall or extended coverage shows up later.
- File your own complaint at nhtsa.gov. NHTSA opens investigations based on complaint volume.
Normal brake wear: what it costs
Hybrids tend to go easy on pads because regen does a lot of the work, but they still wear out. Here's what RepairPal estimates:
| Job | Model years | Estimated cost |
|---|---|---|
| Brake pad replacement | 2022-2025 Sienna | $371 to $428 |
| Brake pad replacement | 2011-2016 Sienna | $289 to $346 |
| Brake caliper replacement | Sienna | $642 to $711 |
| Wheel bearing replacement | Sienna | $377 to $574 |
What to ask the dealer
- "Are there any brake control software updates or service bulletins for my VIN?"
- "Is recall 22V239000 done on this van?"
- "Can you put my description of the low-speed surge on the repair order, even if you can't duplicate it?"
- "Is this covered under the hybrid component warranty?" (Kelley Blue Book lists hybrid components at 8 years/100,000 miles.)
Is it worth fixing?
Yes, and push for it. Brakes on a family van are not the place to accept "they all do that." If your van is still under warranty, keep visiting with documentation. If you're replacing worn pads anyway, a fresh set won't hurt, but don't expect new pads alone to cure a hybrid brake-blending problem.
More Sienna help is on the Toyota Sienna repair page. Van won't power up? See our Sienna 12V battery guide. Prices checked October 14, 2026.
