The Recall Desk
HighNHTSA·23E056000·Announced 2023-07-24

Allison Transmission Recalls Emergency Vehicle Transmission Control Modules

Allison Transmission is recalling 584 Emergency Vehicle Series 6th Generation Transmission Control Modules that may fail to engage 4th gear lockup, preventing the water pump from operating.

What this means for you

Real risk of harm even if no illness or injury has been reported yet. Stop using the product and follow the agency's guidance.

Our severity reasoning: The recall involves a risk-of-harm product where the defect can increase the risk of injury in an emergency, but no injuries or deaths have been reported in the source text.

Plain-English summary

Allison Transmission, Inc. (ATI) is recalling certain Emergency Vehicle Series 6th Generation Transmission Control Modules (TCM). The recall affects 584 units. The defect involves the TCM potentially failing to achieve the 4th gear transmission lockup required to initiate the vehicle's water pump.

This failure may prevent the vehicle from achieving the full sequence needed to pump water, which can increase the risk of injury in an emergency situation. No specific injuries or deaths have been reported in the source text.

Vehicle manufacturers will update the TCM software free of charge to correct the issue. ATI notified the affected vehicle manufacturers on July 31, 2023. Owners may contact ATI customer service at 1-317-242-5000 or the NHTSA Vehicle Safety Hotline at 1-888-327-4236.

The recalled product

Product
POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM) recall
Manufacturer
Allison Transmission, Inc.
Category
Vehicle — Transmission Control Module
Hazard
Affected units
584

Distribution

Distributed nationwide across the United States.

Related recalls

Same manufacturer · Allison Transmission, Inc.

See all →

Same hazard · mechanical failure

See all →