The Recall Desk
SevereNHTSA·20V281000·Announced 2020-05-18

Western Star 4700 and 5700 trucks recalled for ground harness wiring defect

DTNA is recalling certain 2019-2021 Western Star 4700 and 5700 trucks. An undersized wire in the ground harness may cause a melted connector, leading to engine stall and increasing crash risk.

What this means for you

Illness, injury, or structural failure has been reported. Stop using the product immediately and contact the manufacturer for a refund or repair.

Our severity reasoning: This is a structural vehicle electrical defect affecting critical engine operation. A melted connector in the ground harness can cause engine stall without restart capability, increasing crash risk. The defect is confirmed in a safety-critical system, meeting the rubric criterion for severe structural vehicle defects.

Plain-English summary

Daimler Trucks North America LLC (DTNA) is recalling certain 2019-2021 Western Star 4700 and 5700 vehicles. A particular wire in the ground harness may be undersized, which can result in a melted connector in the ground circuit harness.

If the connector becomes damaged, the engine may stall without the ability to restart under certain circumstances. An engine stall may increase the risk of a crash.

DTNA will notify owners, and dealers will replace the ground harness free of charge. Owners may contact DTNA customer service at 1-800-547-0712 or the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153). The recall began June 23, 2020.

The recalled product

Product
WESTERN STAR 4700, 5700
Brand
WESTERN STAR
Manufacturer
Daimler Trucks North America LLC
Category
Vehicle — Heavy-Duty Truck / Electrical System
Hazard
Affected units
2,987

Is your product affected?

Check your packaging against the codes below. If any of them match, the product is part of this recall.

Model numbers (2)

  • 4700
  • 5700

Distribution

Distributed nationwide across the United States.

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