Recall 14V688 affects 18,798 2009-2015 International Prostar and Lonestar trucks for undersized HVAC wiring. Repair is free at any franchised International dealer.
International is recalling 18,798 2009-2015 Prostar and Lonestar trucks because the HVAC electrical harness can be too small for the circuit load. Extra resistance and heat at the connectors can cause a vehicle fire, and the dealer repair will be free once International makes it available.
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What's wrong?
The HVAC electrical harness on 2009-2015 International Prostar and Lonestar trucks carries power to the heating, ventilation, and air conditioning system. That system runs fans and climate controls in the cab, so the harness and its connectors have to carry the circuit load without getting hot. The recall focuses on that power feed, not the heater box or dashboard controls.
On affected trucks, the harness is not large enough for the electrical load on the HVAC circuit. When a wire or connector is undersized for the current flowing through it, electrical resistance rises. Higher resistance creates heat at the connectors, which can overheat the connection and damage the surrounding electrical parts.
There is no warning sign before failure. An owner should not count on a light, message, sound, or change in HVAC performance to show that the connector is heating.
Who's affected?
Spans Prostar trucks from 2009-2015 and Lonestar trucks from 2010-2015, all tied to the electrical system.
| 2009 International Prostar | electrical system |
|---|---|
| 2010 International Prostar | electrical system |
| 2010 International Lonestar | electrical system |
| 2011 International Lonestar | electrical system |
| 2011 International Prostar | electrical system |
| 2012 International Lonestar | electrical system |
| 2012 International Prostar | electrical system |
| 2013 International Lonestar | electrical system |
| 2013 International Prostar | electrical system |
| 2014 International Prostar | electrical system |
| 2015 International Prostar | electrical system |
| 2014 International Lonestar | electrical system |
| 2015 International Lonestar | electrical system |
| Units affected | 18,798 |
The year and model narrow the scope, but the VIN decides. Check your VIN to confirm whether your specific truck is included.
What's the safety risk?
Higher resistance and heat at the connectors creates a vehicle fire risk. Schedule the repair soon, and stop using the vehicle if you notice heat, smoke, or burning odor near the battery harness or relay. Repair will be free at any franchised International dealer once available.
What should I do?
- Check your VIN to confirm your 2009-2015 International Prostar or Lonestar is included in this recall.
- Contact a franchised International dealer and ask whether the relay and battery-harness repair is open for your VIN.
- Schedule the free 60 amp to 150 amp relay and battery-harness replacement that fixes the undersized HVAC power harness.
- Bring the owner notice if you have it, and reference recall number 14V688 when you call.
- Avoid unnecessary HVAC use until the repair is complete because the undersized electrical harness can overheat at the connectors.
What happens at the repair
Once the dealer repair is available, an International technician will replace the undersized HVAC power circuit parts: the 60 amp relay and battery harness are replaced with a 150 amp relay and matching battery harness. Parts and labor are covered under the recall. Navistar sent an interim owner notice on December 29, 2014, and the recall began on March 2, 2015, so owners should contact an International dealer for current repair handling before bringing the truck in.
Timeline
| October 31, 2014 | NHTSA published the recall |
|---|---|
| March 2, 2015 | Owner notification mailed |
Frequently asked questions
What is recall 14V688?
Recall 14V688 covers 18,798 2009-2015 International Prostar and Lonestar trucks with an HVAC electrical harness that is not sized for the circuit load. Excess resistance and heat at the connectors can cause a vehicle fire. International dealers replace the affected relay and battery harness for free.
What should I do if my 2009-2015 International Prostar or Lonestar is on this recall?
Check your VIN to confirm your specific truck is included in recall 14V688. If it is, contact a franchised International dealer to schedule the relay and battery harness replacement. Reference recall number 14V688 or Navistar recall number 14516 when you call.
Is the recall repair free?
Yes. Federal recall law requires the manufacturer to repair safety defects at no cost. International dealers replace the 60 amp relay and battery harness with a 150 amp relay and battery harness free of charge for trucks included in recall 14V688.
What is the safety risk?
The safety risk is vehicle fire. The HVAC power harness is undersized for the electrical load, which raises resistance and heat at the connectors. Confirm your VIN, then arrange the free dealer repair if your International truck is included.
When did International begin this recall repair?
International sent an interim owner notification on December 29, 2014, and the recall repair began on March 2, 2015. If your truck is included and still unrepaired, a franchised International dealer handles the relay and battery harness replacement free of charge.
More information
| NHTSA campaign page | nhtsa.gov/vehicle-recalls/14V688000 |
|---|---|
| International customer service | 1-331-332-1590 |
| NHTSA recall # | 14V688 |
| NHTSA recall # (full) | 14V688000 |
Source documents
-
Download Recall Document (PDF) (PDF) - Download Recall Investigation Document (PDF) (PDF)
- Download Recall Document (PDF) (PDF)
- Download Owner Notification Letter (PDF)
- Download Quarterly Report (PDF)
- Download Recall Acknowledgement (PDF)
This article is generated from NHTSA's primary recall filings and reviewed against the source on June 1, 2026. RecallNotify does not paraphrase NHTSA's consequence language; that text is reproduced as written above. Editorial standards →