NHTSA Campaign 23E056000

POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM)

Issued by Allison Transmission, Inc. · Reported Jul 24, 2023 · 584 vehicles affected

What's wrong

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.

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.

Remedy

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.

Vehicles affected by this recall

Make Model Year Units
ALLISON TRANSMISSION 6TH GEN TCM 584

Source: NHTSA Campaign 23E056000 on nhtsa.gov. To check the current repair status for a specific vehicle, use our free VIN decoder.