NHTSA Service Bulletin 10203669: 2016-2021 Altec Aerial Device
Official manufacturer communication context for 2016-2021 Altec Aerial Device, with affected products, buyer checks and links into Carchieve recall, problem and VIN research.
Reviewed June 2026 from NHTSA manufacturer communication and service bulletin records. Carchieve is independent and not affiliated with any vehicle manufacturer or government agency.
Some customers have reported the loss of functionality of the Altec unit or the EZ Trac system on certain 2016-2021 Ford F750 chassis with EZ Trac hydraulic all-wheel drive installed. The investigation has shown that improper wiring could have been installed for the PTO request module that interfaces the EZ Trac system with the Ford system, leading to the loss of functionality. Altec requires the vehicle to be inspected no later than the next preventive maintenance interval or 90 days from the receipt of this SIL, whichever comes first. If the inspection reveals nonconforming operation, the vehicle must be repaired by both an Altec technician and a Terra Drive Systems technician working together. This inspection and repair are covered under the Altec Warranty Policy. The inspection can be performed by Altec, the customer, or the customers warranty provider
What this bulletin may mean before buying
Treat this as service research, not a verdict on one car. Before you buy, compare this communication with official recall campaigns, model-level owner complaint patterns, and the exact vehicle’s VIN-decoded specifications. A bulletin can help you ask a seller or dealer sharper questions about software updates, known repairs, warranty extensions and service history.
Affected products listed in this communication
Buyer checklist
- Run the 17-character VIN and confirm the year, make, model, engine and equipment match the listing.
- Check recall campaign pages for safety actions that may require dealer repair.
- Compare this bulletin with common problem pages for the same model and component area.
- Ask the seller or dealer whether the bulletin procedure, update or inspection has already been completed.
- Use the used-car buying checklist and get an independent inspection.
Frequently asked questions
What is NHTSA service bulletin 10203669?
Some customers have reported the loss of functionality of the Altec unit or the EZ Trac system on certain 2016-2021 Ford F750 chassis with EZ Trac hydraulic all-wheel drive installed. The investigation has shown that improper wiring could have been installed for the PTO request module that interfaces the EZ Trac system with the Ford system, leading to the loss of functionality. Altec requires the vehicle to be.
Is a service bulletin the same as a recall?
No. A recall is a safety campaign with a required remedy for affected VINs. A service bulletin or manufacturer communication usually describes diagnostic, repair, software, warranty or service information.
How should a used-car buyer use this bulletin?
Use it as a research signal. Compare it with recalls, owner complaints, service records, a VIN report and an independent inspection before buying.
Check the exact VIN before you buy
Model-level pages show public safety patterns. A full VIN report helps confirm the exact vehicle, decoded specs, recall applicability and buyer checks.
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