Toyota TSB #T-SB-0157-19
2017 Toyota 4Runner
Affected Component: EQUIPMENT
- Summary
- TSB: Some 2017 ? 2020 model year 4Runner vehicles equipped with JBL® audio may exhibit poor sound quality coming from the dash speakers or static/feedback heard by the incoming caller. Updated speakers are available to address this condition. Follow the Repair Procedure in this bulletin to address this condition.