Fire truck water pump may fail
Defect Summary
Allison transmission, inc. (ati) is recalling certain emergency vehicle series 6th generation transmission control modules (tcm). the transmission control module (tcm) may fail to achieve the 4th gear transmission lockup needed to initiate the water pump.
Safety Consequence
Failure to achieve 4th gear lock up may prevent the vehicle from achieving the full sequence needed to pump water, which can increase the risk of injury in an emergency.
Corrective Action
Vehicle manufacturers will update the tcm software, free of charge. ati notified the affected vehicle manufacturers on july 31, 2023. owners may contact ati customer service at 1-317-242-5000.
Similar Recalls
Other recalls from Allison Transmission, Inc. or involving Power Train.
FAQ: Recall 23E056000
Your rights, the repair process, and what each field on this page means.
What is recall 23E056000?
NHTSA recall 23E056000 was issued by Allison Transmission, Inc. on July 24, 2023. It addresses: Fire truck water pump may fail. The recall affects approximately 584 vehicles, with the defect involving the Power Train component.
How do I get this recall repaired?
Contact any authorized Allison Transmission, Inc. dealer and reference NHTSA recall ID 23E056000 or the manufacturer campaign number NR (Not Reported). 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.