Safety Recall NHTSA · 20E049000 Reported July 17, 2020

Loss of drive from fractured pressure switch

Allison Transmission, Inc. · Power Train · 262 vehicles potentially affected

NHTSA ID
20E049000
Manufacturer Campaign
NR (Not Reported)
Manufacturer
Allison Transmission, Inc.
Component
Power Train
Vehicles Affected
262
Recall Type
Equipment
Report Received
July 17, 2020
Completion Rate
50.00

Defect Summary

Allison transmission, inc. (ati) is recalling certain drive units: h 50 ep (part numbers 29540673 and 29540900), h 40 ep (part numbers 29540697 and 29549708), h 50 ep cert (part numbers 29556925 and 29556926), and h 40 ep cert drive (part numbers 29557038 and 29557036). the pressure switches on these drive units may fail, possibly resulting in a loss of drive.

Safety Consequence

A loss of drive can disable the vehicle unexpectedly, increasing the risk of a crash.

Corrective Action

Ati will notify the manufacturers that purchased the affected equipment, and ati dealers will replace the c1 and c2 pressure switches in the affected drive units free of charge. the recall began august 10, 2020. owners may contact ati customer service at 1-317-242-5000.

What you should do

  1. Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
  2. Contact an authorized Allison Transmission, Inc. dealer and reference recall ID 20E049000 or campaign NR (Not Reported).
  3. Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.
View Official NHTSA Notice →
Related

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FAQ: Recall 20E049000

Your rights, the repair process, and what each field on this page means.

What is recall 20E049000?

NHTSA recall 20E049000 was issued by Allison Transmission, Inc. on July 17, 2020. It addresses: Loss of drive from fractured pressure switch. The recall affects approximately 262 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 20E049000 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.