Service brakes, hydraulic: fluidRecall 23V-397 · Ic Bus and International vehicles

Navistar, Inc. recall 23V-397 covers 6,786 Ic Bus and International vehicles for a service brakes, hydraulic: fluid problem, reported to NHTSA on June 2, 2023. The manufacturer's latest report (2025 Q2) shows 60% of affected vehicles repaired.

Park outside and away from structures until repaired

60%
Vehicles repaired4,074 of 6,786 · 2025 Q2
Vehicles affected6,7865 models
ReportedJun 2, 2023Owners notified Sep 29, 2023
Complaints since0Same system, after the recall

Source: NHTSA recall 23V397000 and manufacturer quarterly reports. Started by the manufacturer.

What's wrong

The problem

Navistar, Inc. (Navistar) is recalling certain 2016 International DuraStar, 2018-2020 and 2023-2024 International 1300FBC Stripped chassis, 2019-2022 IC Bus CE Commercial bus, 2019-2024 IC Bus TC Commercial bus, and 2019-2024 International MV vehicles. The brake pressure switch assembly may leak brake fluid into the brake pressure switch's electrical components and cause an electrical short-circuit.

The risk

An electrical short in the brake pressure switch can overheat the circuit and increase the risk of a fire while driving or parked.

What to do

The fix

Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the brake pressure switch and if necessary, the wire harness or fuse, free of charge. Owner notification letters were mailed September 29, 2023. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23517.

Recall repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.

Repair progress

How fast cars are being fixed

60%repaired

Share of affected vehicles repaired in each quarterly report the manufacturer filed with NHTSA.

0%50%100%2023 Q32025 Q2