Wiring Harness Ground Connection Failure/FMVSS 104, 108
Ford Motor Company
Which vehicles may be affected?
Ford Motor Company (Ford) is recalling certain 2024-2026 Mustang vehicles. The engine compartment wiring harness ground connections may fracture and result in a loss of drive power, or a loss of function in the windshield washing system, headlights, air conditioning, or engine cooling fan. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 108, "Lamps, Reflective Devices, and Associated Equipment," and 104, "Windshield Wiping and Washing Systems."
Potentially affected: 148,663
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What should owners do now?
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What NHTSA says
Component
ELECTRICAL SYSTEM
Consequence
A loss of driver power increases the risk of a crash. In addition, a loss of headlight function or windshield washing system function can reduce visibility, increasing the risk of a crash.
Remedy
Dealers will replace the engine compartment wiring harness ground terminals, free of charge. Interim letters, notifying owners of the safety risk, were mailed September 5, 2026. Additional letters will be sent once the remedy is available, anticipated in March 2027. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 26C40. Vehicle Identification Numbers (VINs) involved in this recall became searchable on NHTSA.gov on August 28, 2026.
Is a fix available?
No fix yet
No fix yet, according to NHTSA
“Additional letters will be sent once the remedy is available, anticipated in March 2027.”
Until the fix is available, follow the cautions NHTSA lists on this page.
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Source
NHTSA campaign number: 26V547000
https://www.nhtsa.gov/recalls?nhtsaId=26V547000
Report date: August 25, 2026
Last updated: November 2, 2026
Recall information from NHTSA, shown as published. Car Czar is not affiliated with NHTSA or any manufacturer.