T-SB-0157-19

T-SB-0157-19
November 7, 2019
Poor Sound Quality - JBL Equipped
Service
Category
Audio/Visual/Telematics
Section
Audio/Video
Market USA
Applicability
YEAR(S)
MODEL(S)
2017 - 2020
4Runner
ADDITIONAL INFORMATION
Introduction
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.
Warranty Information
OP CODE
DESCRIPTION
TIME
OFP
T1
T2
EL1917
R & R Speaker Assy, Front No. 2
0.4
76
14
Combo A
Opposite Side
0.2
86150-35090
86150-35120
APPLICABLE WARRANTY
 This repair is covered under the Toyota Basic Warranty. This warranty is in effect for 36 months
or 36,000 miles, whichever occurs first, from the vehicle’s in-service date.
 Warranty application is limited to occurrence of the specified condition described in
this bulletin.
Parts Information
PART NUMBER
PREVIOUS
86150-35090
86150-35120
PART NAME
QTY
Speaker Assy, Front No.2
1–2
NEW
© 2019 Toyota Motor Sales, USA
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T-SB-0157-19
November 7, 2019
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Poor Sound Quality - JBL Equipped
Repair Procedure
1. Confirm the condition exists.
Does the vehicle exhibit poor sound quality coming from the dash speakers or
static/feedback heard by the incoming caller?

YES — Continue to step 2.

NO — This bulletin does NOT apply. Continue diagnosis using the applicable
Repair Manual.
2. Replace the affected speaker(s).
Remove the affected speakers.
Refer to TIS, applicable model and model year Repair Manual:
 2017 – 2020 4Runner:
Audio / Visual / Telematics – Audio / Video – “Audio / Video: Instrument Panel
Speaker: Removal”
Install the NEW speaker(s).
Refer to TIS, applicable model and model year Repair Manual:
 2017 – 2020 4Runner:
Audio / Visual / Telematics – Audio / Video – “Audio / Video: Instrument Panel
Speaker: Installation”
3. Confirm normal speaker operation.
© 2019 Toyota Motor Sales, USA