Update Prior to Sale 21U04 Enable Engine Sound Enhancement and Active Noise Control – 2021 Ford Explorer & Lincoln Aviator
NHTSA ID Number: 10199483 Manufacturer Communication Number: 21U04 Summary In some of the effected vehicles the active noise cancelation (ANC) and electronic sound enhancement (ESE) features were not activated in the audio control module (ACM). This can cause undesirable powertrain sounds inside the vehicle, and less than optimal speaker sound from ST products, resulting in customer … Read more
