Recall 25V052 covers 10 2024 Temsa TS35 buses with fuel filter hoses that can leak and stall the engine. Free repair at any Temsa dealer.
Temsa is recalling 10 2024 TS35 vehicles equipped with Cummins L9 diesel engines because remote fuel filter hoses can separate from their fittings, causing a fuel leak or engine stall. A fuel leak near an ignition source raises the risk of fire, and an engine stall raises crash risk; Temsa dealers will complete the free repair.
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What's wrong?
On the 2024 Temsa TS35, the remote Stage 2 fuel filter is part of the Cummins L9 diesel fuel system referenced in NHTSA campaign 25V052. It filters diesel before it reaches the engine, using pressurized hoses and quick-connect fittings to carry fuel between components. Those hoses need a tight crimp at the connector so fuel stays contained under pressure.
On affected TS35 vehicles, the hose connector was not crimped tightly enough. That weak crimp reduces hose retention, so the hose can separate from its fitting. If that happens, diesel fuel can leak and the engine can stall, which is the failure described in the recall.
People operating in or around the vehicle can see smoke or other visible signs of a fuel leak. They can also smell diesel fuel before the hose fully separates or while the leak is active.
Who's affected?
| 2024 Temsa TS35 | fuel system |
|---|---|
| Units affected | 10 |
| Field incidents | NHTSA has logged no field incidents to date. |
Not every 2024 Temsa TS35 bus is on the list. Check your VIN to confirm whether your specific bus is included.
What's the safety risk?
A fuel leak near an ignition source increases the risk of fire, and an engine stall increases the risk of a crash. Smoke, visible fuel leak signs, or a diesel fuel smell are warning signs to take seriously. Stop in a safe place and call the dealer before continuing. Repair is free at any franchised Temsa dealer.
What should I do?
- Check your VIN to confirm your 2024 Temsa TS35 is included in this recall.
- Contact a franchised Temsa dealer to schedule the free fuel-filter-hose replacement that fixes the fuel leak and engine stall concern.
- Bring the recall notice if Temsa mailed one. If not, reference recall number 25V052 when you call.
- Call Temsa customer service at 1-833-628-3672 with questions about the repair.
- Drive only as needed until the repair is complete, and stop in a safe place if the engine stalls.
What happens at the repair
At the dealer, a Temsa technician replaces the remote fuel filter hoses on the Cummins L9 diesel engine so the hoses stay secured at the fittings. Parts and labor are covered under the recall. Out of pocket repairs already paid are handled through the manufacturer's limited warranty, not through a separate reimbursement program, because Cummins stated that product failures before notice would have been corrected under that warranty. Ask the service desk how warranty coverage applies if you have prior repair paperwork.
| Reimbursement | Warranty coverage applies |
|---|
Timeline
| February 3, 2025 | NHTSA published the recall |
|---|---|
| February 28, 2025 | Interim owner notification (was planned for this date) |
| March 11, 2025 | VIN-searchable in NHTSA's database — Check your VIN to see whether this recall applies to your specific vehicle. |
Frequently asked questions
What is recall 25V052?
Recall 25V052 covers 10 2024 Temsa TS35 vehicles equipped with Cummins L9 diesel engines. The remote fuel filter hoses can separate from the fitting, causing a fuel leak and engine stall. Cummins will replace the fuel filter hoses for free.
What should I do if my 2024 Temsa TS35 is on this recall?
Check your VIN to confirm your specific TS35 is included in recall 25V052. If it is, contact Temsa customer service at 1-833-628-3672 or a franchised Temsa service provider to arrange the free fuel filter hose replacement.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost. For recall 25V052, Cummins will replace the remote fuel filter hoses free of charge on affected 2024 Temsa TS35 vehicles.
What is the safety risk?
The safety risk is fuel leakage and engine stall. A fuel leak near an ignition source increases fire risk, and an engine stall increases crash risk. If your VIN is included, arrange the free hose replacement before putting the vehicle back into regular service.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/25V052000 |
|---|---|
| Temsa customer service | 1-833-628-3672 |
| NHTSA recall # | 25V052 |
| NHTSA recall # (full) | 25V052000 |
Source documents
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 →