Allison Transmission, Inc.: Safety Recalls in 2023

Updated on March 19, 2026.

There were 2 safety recalls made by Allison Transmission, Inc. in 2023. See the details of the recalls below.

You can also see similar information for other manufacturers.

Data Source: NHTSA.

See this for other years:

October 11, 2023

(Campaign #: 2023FA04)

Transmission May Separate from Driveshaft

Allison Transmission, Inc. (ATI) is recalling certain models B3400xFE_R and B400R, with part numbers B3400xFE_R and B400R. The transmission yoke may separate, resulting in driveshaft separation and a sudden loss of drive power.

NHTSA ID: 23E079000

Component: POWER TRAIN

# of Units Affected: 8,498

Consequence Summary:

A sudden loss of drive power can increase the risk of a crash. Additionally, a disabled bus may require an evacuation procedure in an uncontrolled traffic situation, increasing the risk of injury to passengers.

Corrective Action:

Dealers will inspect the output yoke bolts, and if necessary, tighten loose output yoke bolts, free of charge. Owner notification letters were mailed December 9, 2023. Owners may contact ATI customer service at 1-317-242-5000. ATI's number for this recall is 2023FA04.

Park Outside Advisory: No

Do not Drive Advisory: No

Completion Rate (%): 29.52

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July 24, 2023

(Campaign #: NR (Not Reported))

Fire Truck Water Pump May Fail

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.

NHTSA ID: 23E056000

Component: POWER TRAIN

# of Units Affected: 584

Consequence Summary:

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.

Park Outside Advisory: No

Do not Drive Advisory: No

View Full Recall Details