Recall 26V151 covers 1,196 2021-2026 New Flyer XE and XHE buses for inverter software errors. Repair is free through New Flyer.
New Flyer is recalling 1,196 2021-2026 XE35, XE40, XE60, XHE40, and XHE60 transit buses equipped with Accelera ELFA 3 control systems because an inverter software error can trigger unintended acceleration or deceleration. That behavior increases crash risk, and New Flyer dealers will complete the software remedy free of charge.
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What's wrong?
The motor inverter on 2021-2026 New Flyer XHE60, XE35, XHE40, XE40, and XE60 transit buses controls power going to the electric drive motors. It reads the driver's accelerator and brake inputs, then tells the motor how much torque to deliver. That torque command is what makes the bus move, slow, or hold back.
On buses equipped with Accelera ELFA 3 control systems V1 and V2, a software error in the inverter torque logic can keep an earlier torque request after the driver has changed inputs. The result is torque output above the operator's current request. In service, that can make the bus accelerate or decelerate in a way the driver did not command.
What operators are told to watch for is the bus trying to move while the brakes are applied. An amber CHECK SYSTEM lamp before the event is also a warning sign, so treat either symptom as part of this inverter software problem.
Who's affected?
The scope spans XHE60, XE35, XHE40, XE40, and XE60 buses from 2021-2026, all tied to the electric propulsion system.
| 2024 New Flyer XHE60 | electric propulsion system |
|---|---|
| 2025 New Flyer XHE60 | electric propulsion system |
| 2026 New Flyer XHE60 | electric propulsion system |
| 2021 New Flyer XE35 | electric propulsion system |
| 2022 New Flyer XE35 | electric propulsion system |
| 2023 New Flyer XE35 | electric propulsion system |
| 2024 New Flyer XE35 | electric propulsion system |
| 2024 New Flyer XHE40 | electric propulsion system |
| 2023 New Flyer XHE40 | electric propulsion system |
| 2025 New Flyer XHE40 | electric propulsion system |
| 2026 New Flyer XE40 | electric propulsion system |
| 2026 New Flyer XHE40 | electric propulsion system |
| 2025 New Flyer XE35 | electric propulsion system |
| 2023 New Flyer XE60 | electric propulsion system |
| 2024 New Flyer XE60 | electric propulsion system |
| 2025 New Flyer XE60 | electric propulsion system |
| 2021 New Flyer XE40 | electric propulsion system |
| 2022 New Flyer XE40 | electric propulsion system |
| 2023 New Flyer XE40 | electric propulsion system |
| 2024 New Flyer XE40 | electric propulsion system |
| 2025 New Flyer XE40 | electric propulsion system |
| Units affected | 1,196 |
| Field incidents | NHTSA has logged 1 field incident to date. |
A matching year and model does not guarantee inclusion. Check your VIN to confirm whether your specific bus is included.
What's the safety risk?
Unintended acceleration or deceleration increases the risk of a crash because the bus can move or slow without the operator's command. Treat movement while the brakes are applied, or an amber CHECK SYSTEM lamp, as a reason to pull the vehicle from service and schedule the software update. Repair is free at any franchised New Flyer dealer.
What should I do?
- Check your VIN to confirm your 2021-2026 New Flyer XE35, XE40, XE60, XHE40, or XHE60 bus is included in this recall.
- Contact a franchised New Flyer dealer to schedule the free inverter software update that addresses unintended acceleration or deceleration.
- Bring the recall notice if New Flyer has mailed one. If not, reference recall number 26V151 when you call.
- Drive cautiously until the software update is complete. Have operators report any unintended acceleration or deceleration before the next route.
- Call New Flyer customer service at 1-800-241-2947 with questions about scheduling or owner notice timing.
What happens at the repair
At the dealer, a New Flyer technician updates the inverter software for the Accelera ELFA 3 control system on the covered transit buses. Parts and labor are covered under the recall. New Flyer uses its general reimbursement plan on file for this campaign. If your fleet already paid for an inverter software repair tied to this recall before the owner notice, ask New Flyer customer service how to submit documentation under that plan.
| Reimbursement | Reimbursement available |
|---|
Timeline
| March 13, 2026 | NHTSA published the recall |
|---|
Frequently asked questions
What is recall 26V151?
Recall 26V151 covers 1,196 2021-2026 New Flyer XHE60, XE35, XHE40, XE40, and XE60 transit buses with Accelera ELFA 3 control systems V1 and V2. An inverter software error can cause unintended acceleration or deceleration, increasing crash risk. New Flyer will update the inverter software for free.
What should I do if my 2021-2026 New Flyer XHE60, XE35, XHE40, XE40, or XE60 is on this recall?
Check your VIN to confirm your specific bus is included in recall 26V151. If it is, contact New Flyer customer service at 1-800-241-2947 or your New Flyer service contact to arrange the inverter software update. Reference recall number 26V151 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and New Flyer will update the inverter software free of charge. Ask the service contact to confirm that the work is being handled under recall 26V151 before the appointment.
What is the safety risk?
The safety risk is unintended acceleration or deceleration. On a transit bus, an unexpected change in speed can make the bus harder to control in traffic, at stops, or around passengers. NHTSA lists increased crash risk as the consequence for recall 26V151.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/26V151000 |
|---|---|
| New Flyer customer service | 1-800-241-2947 |
| NHTSA recall # | 26V151 |
| NHTSA recall # (full) | 26V151000 |
Source documents
-
Download Recall Investigation Document (PDF) (PDF) - Download Recall Acknowledgement (PDF)
- Download Recall Report (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on May 19, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →