In some of the effected vehicles the active noise cancelation (ANC) and electronic sound enhancement (ESE)...
Ford technical service bulletin 21U04 for 2021 Ford Explorer and 2021 Lincoln Aviator.
- Bulletin number
- 21U04
- Component
- Power train
- 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 dissatisfaction.
Owners of these vehicles have filed 132 complaints in the transmission category.
Vehicles covered
- Ford Explorer 2021 2021
- Lincoln Aviator 2021 2021
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