2012 International 4300 problems, complaints & recalls
Most-reported problem areas: Service Brakes (1) · Engine And Engine Cooling (1)
Safety recalls (2)
Power Train:automatic Transmission 2014-02-07 · campaign 14V042000 · 114 vehicles
Defect: Navistar Inc. (Navistar) is recalling certain model year 2010-2011 IC bus 3200, model year 2012 and 2014 IC bus CE and model year 2011-2013 IC bus HC transit buses and model year 2008-2013 International 4300 and model year 2013 International Workstar commercial trucks equipped with Eaton hybrid automated transmissions. The software controlling the affected transmissions may improperly raise the vehicle's engine speed during downshifts without the driver's input.
Risk: The increase in engine speed may result in unintended acceleration, increasing the risk of a crash.
Fix: Navistar will notify owners and Eaton authorized service facilities will update the Hybrid Control Module Software version, free of charge. The recall began on May 28, 2014. Owners may contact Navistar at 1-331-332-1590.
Equipment:electrical 2012-09-12 · campaign 12V452000 · 28 vehicles
Defect: Geo. Heiser Body Company, Inc., (Geo. Heiser Body Company) is recalling certain model year 2006 International and 2010-2013 Fuso, Hino, International, Kenworth, and Peterbilt vehicles equipped with Sure Power battery separator devices. These devices may overheat.
Risk: Overheating of the battery separator can result in smoke and possible fire.
Fix: Geo. Heiser Body Company will notify owners and will replace the battery separators free of charge. The safety recall began on October 25, 2012. Owners may contact Geo. Heiser Body Company at 1-206-622-7985.
Service bulletins (109)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Engine 2026-02-05 · IK2600090 · Other
new carb idle reduction change request
Electrical System 2026-02-03 · IK4300035 · Service Bulletin/Repair Instructions
this tool is designed to compare diamond logic feature data across multiple vehicle configuration files. it allows users to quickly load files either manually or directly from the diamond logic builder vehicles folder using vin-based selection. as files are added or removed, the comparison runs auto
Engine 2026-01-26 · IK2600255 · Other
this document provides guidance for assessing the feasibility of implementing a customer-requested change to an engine or vehicle parameter/feature. customer requested changes will be approved in accordance with the requirements specified in 40 cfr part 1037 to ensure continued compliance with green
Engine 2026-01-02 · IK2600047 · Service Bulletin/Repair Instructions
engine replacements for all international engines will need to follow this procedure.
Structure:body 2025-12-19 · IK1600272 · Service Bulletin/Repair Instructions
this document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
Power Train 2025-12-05 · IK0600030 · Service Bulletin/Repair Instructions
this document will guide the user through understanding prop shaft codes and understanding the variations of prop codes. (metric prop codes start with the number a 4 and non metric prop codes start with a 2.)
Showing the 6 most recent of 109 bulletins. Search all of them free at nhtsa.gov.
What owners report
2025-09-19 · Engine And Engine Cooling · 💥 crash“see attached document for complaint.…”
2017-12-20 · Service Brakes“making nois when u push the pedal…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.