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
Our assessment, not the agency’s: severity 3/5 (High).
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.
- Affected units
- 584
Distribution
Distributed nationwide across the United States.
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