T-TT-0523-19

Service Bulletin Details

Public Details for: T-TT-0523-19

Tt: some 2017, 2018 and 2019 model year highlanders are equipped with an engine stop & start system. It is important to use part number 28800-31550 when stop & start equipped highlanders need battery replacement. There is no recommended tru


- 2019 - 2018 - 2017 -

Models from 2019
2019 TOYOTA HIGHLANDER
Models from 2018
2018 TOYOTA HIGHLANDER
Models from 2017
2017 TOYOTA HIGHLANDER 
Tech Tip T-TT-0523-19
January 23, 2019
Subject
Market
Highlander Stop & Start replacement battery
informationnformation
USA
Service Category
Section
Power Source/Network
Battery/Charging
Applicability
Highlander with Stop & Start
APPLICABLE VEHICLES
2017-2019
Highlander
CONDITION
Some 2017, 2018 and 2019 model year Highlanders are equipped with an engine Stop & Start
system.
It is important to use part number 28800-31550 when Stop & Start equipped Highlanders need battery
replacement. There is no recommended Truestart battery that is applicable for Stop & Start
Highlanders.
The Stop & Start equipped battery is specially designed for deep discharges, and it is of a design
called enhanced flooded battery (EFB). Characteristics of EFB type batteries are the ability to quickly
discharge, and recharge.
RECOMMENDATIONS
Use the correct battery, part number 28800-31550.
When testing batteries for Stop and Start equipped Highlanders use the battery type “enhanced
flooded” or “EFB” using the battery tester. If you are not sure if the Highlander is equipped with Stop &
Start functionality there are several ways to identify them.
1. Stop & Start equipped vehicles have a Stop & Start Indicator light and a button on the dash to
turn the system off temporarily, it looks like this:
Expires on
Ver. 3.0 01/01/2019 T
01/23/2020
© 2019, Toyota Motor Sales, USA
Page 1 of 2
Tech Tip T-TT-0523-19
January 23, 2019
Subject
Market
Highlander Stop & Start replacement battery
information
USA
Applicability
RECOMMENDATIONS
2. Stop & Start is standard equipment on V6 Highlander LE PLUS, XLE, SE, and Limited models.
3. You can also identify the correct battery by looking at the battery label, which should have the
part number 28800-31550. The battery manufacturer “GS Yuasa” can be seen on the front of the
battery in raised letters, and on the battery label. It also has screw type vent caps, not press in vent
caps.
LINK REFERENCES
This Tech Tip does not contain any link references
Expires on
Ver. 3.0 01/01/2019 T
01/23/2020
© 2019, Toyota Motor Sales, USA
Page 2 of 2

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