OFFICIAL CAMPAIGN FILE

NHTSA campaign 21V194000

NHTSA campaign 21V194000 covers 29 published year-and-model reports from 2 makes in this index and lists 258 potentially affected units campaign-wide. VIN eligibility must be checked separately.

Report received March 19, 2021 · Snapshot September 21, 2026

01 / DEFECT RECORD

What NHTSA campaign 21V194000 says

NHTSA campaign 21V194000 identifies SUSPENSION and states that The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.

Defect summary

Isuzu Technical Center of America, Inc. (Isuzu) is recalling certain 2015-2017 Isuzu NPR, Reach, 2016-2020 Isuzu NPR XD, NPR HD, NQR, 2016-2021 Isuzu NRR, 2017-2020 Chevrolet 4500XD, 4500HD, 5500HD, and 2020 Chevrolet 5500XD vehicles. The U-bolt nuts for the rear axle may not have been properly tightened and may loosen, causing the axle to misalign.

Consequence summary

The misalignment may cause the propeller shaft to separate, causing a loss of power to the rear wheels and a stall, increasing the risk of a crash.

02 / CORRECTIVE ACTION

Remedy for NHTSA campaign 21V194000

For NHTSA campaign 21V194000, the filed corrective action says: Isuzu will notify owners, and dealers will inspect and, if needed, replace and tighten the rear axle U-bolt nuts, free of charge. The recall began on April 23, 2021. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu's number for this recall is V2103.

Isuzu will notify owners, and dealers will inspect and, if needed, replace and tighten the rear axle U-bolt nuts, free of charge. The recall began on April 23, 2021. Owners may contact Isuzu customer service at 1-866-441-9638. Isuzu's number for this recall is V2103.

Owner notification: April 23, 2021
Filing manufacturer: Isuzu Technical Center of America, Inc.
Component groups: SUSPENSION

03 / PUBLISHED VEHICLES

Vehicles listed under NHTSA campaign 21V194000

RecallRoad links 29 year-and-model reports associated with NHTSA campaign 21V194000; the list reflects published source rows, not individual VIN coverage.