Recall 25V581 affects 19 2024-2025 Altec Aerial Device and Digger Derrick vehicles for an overloaded ignition circuit. Repair is free at any franchised Altec dealer.
Altec is recalling 19 2024-2025 Aerial Device and Digger Derrick vehicles because the chassis ignition circuit can overload, blow a fuse, and shut down the engine. An engine shutdown increases crash risk, and Altec dealers will complete the repair free of charge.
Does this recall apply to your specific vehicle?
The official, free per-VIN recall check is run by NHTSA. Enter your VIN and we'll forward you directly — and add you to a free watchlist so you hear about new recalls for your vehicle.
Check my VIN at NHTSARecallNotify doesn't check your VIN — NHTSA's official tool does. We use your email only to alert you to new recalls.
Watch this vehicle for recalls
Add it to your free watchlist and we will alert you as new federal recalls are posted for your year, make and model. New-recall alerts are rolling out now.
You are on the watchlist.
We will email you as new federal recalls are posted for your vehicle.
What's wrong?
The Advanced Signal Actuation Module (ASAM) on these 2024-2025 Altec Aerial Device and Digger Derrick vehicles manages key-on electrical signals from the Freightliner M2 Plus chassis. In normal use, the ignition circuit supplies power to chassis and body equipment while the engine stays running. That circuit has to carry the accessory load without exceeding the fuse rating.
On included units with hydraulic oil tank heaters, the heater was connected to the ignition circuit. When multiple accessories are switched on and the tank heater thermostat calls for heat, the circuit can carry more load than it was built to handle. The overloaded circuit can blow the fuse, cutting engine power and causing an engine shutdown.
A periodic inspection and circuit load test can find the overload risk before the fuse blows. There are no other warning signs that the ignition circuit is overloaded before the shutdown happens.
Who's affected?
Covers both Aerial Device and Digger Derrick configurations across the 2024-2025 model years, all tied to the same Advanced Signal Actuation Module in the ignition electrical system.
| 2024 Altec Aerial Device | electrical system |
|---|---|
| 2025 Altec Aerial Device | electrical system |
| 2024 Altec Digger Derrick | electrical system |
| 2025 Altec Digger Derrick | electrical system |
| Units affected | 19 |
| Field incidents | NHTSA has logged no field incidents to date. |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific vehicle is included.
What's the safety risk?
A blown fuse can shut down the engine, which increases the risk of a crash. A periodic inspection and circuit load test can find the circuit overload risk, but there is no normal warning before the fuse blows. Schedule the relay replacement soon. Repair is free at any franchised Altec dealer.
What should I do?
- Check your VIN to confirm your 2024-2025 Altec Aerial Device or Digger Derrick is included in this recall.
- Contact a franchised Altec dealer to schedule the free hydraulic tank heater relay replacement that fixes the overloaded ignition circuit.
- Bring the recall notice if Altec mailed one. If not, reference recall number 25V581 when you call.
- Drive cautiously until the repair is complete, and pull over safely if the engine shuts down.
What happens at the repair
At the dealer, an Altec technician replaces the hydraulic tank heater relay that is part of the overloaded chassis ignition circuit concern. The recall repair is available now, and parts and labor are free. If you paid out of pocket for this relay-related repair before the recall notice, Altec's general reimbursement plan is on file. Contact Altec customer service with your repair paperwork and ask how to submit documentation for reimbursement under that plan.
| Reimbursement | Reimbursement available |
|---|
Timeline
| September 5, 2025 | NHTSA published the recall |
|---|---|
| October 29, 2025 | Owner notification mailed |
| October 31, 2025 | Dealer notification began |
| October 31, 2025 | Dealer notification ended |
| October 31, 2025 | Interim owner notification (was planned for this date) |
Frequently asked questions
What is recall 25V581?
Recall 25V581 covers 19 2024-2025 Altec Aerial Device and Digger Derrick vehicles with an overloaded chassis ignition circuit. A blown fuse can shut the engine down and increase crash risk. Altec will replace the hydraulic tank heater relay for free.
What should I do if my 2024-2025 Altec Aerial Device or Digger Derrick is on this recall?
Check your VIN to confirm your specific vehicle is included in recall 25V581. If it is, contact Altec customer service at 1-877-462-5832 and reference Altec recall CSN-3247. Altec will replace the hydraulic tank heater relay for free.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair the defect at no cost, and Altec will replace the hydraulic tank heater relay free of charge. Parts and labor are covered for vehicles included in recall 25V581.
What is the safety risk?
The safety risk is engine shutdown while the vehicle is in use. The overloaded ignition circuit can blow a fuse, which can stop the engine and increase crash risk. If your VIN is included, arrange the free relay replacement through Altec.
When were owners notified about this recall?
Altec mailed owner notification letters on October 29, 2025. If you bought the vehicle used or never received a letter, check your VIN and contact Altec customer service at 1-877-462-5832 with recall 25V581 or CSN-3247.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/25V581000 |
|---|---|
| Altec customer service | 1-877-462-5832 |
| NHTSA recall # | 25V581 |
| NHTSA recall # (full) | 25V581000 |
Source documents
-
Download Quarterly Report (PDF) - Download Owner Notification Letter (PDF)
- Download Recall Report (PDF)
- Download Recall Acknowledgement (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 →