Air lines hooked to wrong gauges/fmvss 121
Defect Summary
Motor coach industries (mci) is recalling certain 2018 mci j4500 buses. the primary air line was incorrectly hooked to the secondary air pressure gauge and the secondary air line was hooked to the primary air pressure gauge. as such, these buses fail to comply with the requirements of federal motor vehicle safety standard (fmvss) number 121, "air brake systems."
Safety Consequence
The incorrect air pressure readings may increase the risk of a crash by delaying the driver's reaction to addressing the low air condition.
Corrective Action
Mci will notify owners, and dealers will inspect the air lines for proper connection, repairing them as necessary, free of charge. The recall began on december 12, 2017. owners may contact mci customer service at 1-800-241-29471. mci's number for this recall is sb 455.
Similar Recalls
Other recalls from Motor Coach Industries, Inc or involving Service Brakes, Air.
FAQ: Recall 17V687000
Your rights, the repair process, and what each field on this page means.
What is recall 17V687000?
NHTSA recall 17V687000 was issued by Motor Coach Industries, Inc on October 30, 2017. It addresses: Air lines hooked to wrong gauges/fmvss 121. The recall affects approximately 35 vehicles, with the defect involving the Service Brakes, Air component.
How do I get this recall repaired?
Contact any authorized Motor Coach Industries, Inc dealer and reference NHTSA recall ID 17V687000 or the manufacturer campaign number SB 455. Under federal law, the repair is completely free regardless of vehicle age or owner history.
Is my vehicle included in this recall?
The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.
How long do I have to get a recall repair done?
There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.
Where does the data on this page come from?
All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.