TSB: TOYOTA AVALON HYBRID, CAMRY HYBRID, COROLLA HYBRID, CROWN, HIGHLANDER HYBRID, MIRAI, PRIUS, PRIUS PRIME, RAV4 HYBRID, RAV4 PRIME, SEQUOIA HYBRID, SIENNA HYBRID, TUNDRA HYBRID, VENZA HYBRID (2016–2023)

Bulletin TSB008523A — November 17, 2023

Bulletin Details

Bulletin IDTSB008523A
ManufacturerTOYOTA
ModelsAVALON HYBRID, CAMRY HYBRID, COROLLA HYBRID, CROWN, HIGHLANDER HYBRID, MIRAI, PRIUS, PRIUS PRIME, RAV4 HYBRID, RAV4 PRIME, SEQUOIA HYBRID, SIENNA HYBRID, TUNDRA HYBRID, VENZA HYBRID
Model Years2016–2023
Date IssuedNovember 17, 2023
Date Added to NHTSADecember 25, 2023
ComponentELECTRICAL SYSTEM
Vehicles Affected96 combinations

What is a TSB?

A Technical Service Bulletin is a document issued by the vehicle manufacturer to inform dealership technicians about a known issue and the recommended repair procedure. TSBs are not mandatory recalls — they serve as repair guidance for common problems.

If your vehicle has this issue, bring this bulletin ID to your dealer. If under warranty, the repair should be covered at no cost.

Summary

TSB: Some 2016 ? 2023 model year Toyota vehicles may exhibit a hybrid system warning lamp occurring in below-freezing temperatures (below 32?F or 0?C). After performing a Health Check, one or both of the following Diagnostic Trouble Codes (

Affected Vehicles

MakeModelYearComponent
TOYOTA CAMRY HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CROWN 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CROWN 2023 110000 ELECTRICAL SYSTEM
TOYOTA HIGHLANDER HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA HIGHLANDER HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA MIRAI 2023 110000 ELECTRICAL SYSTEM
TOYOTA MIRAI 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA SEQUOIA HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA SEQUOIA HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA SIENNA HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA SIENNA HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA TUNDRA HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA TUNDRA HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA VENZA HYBRID 2023 110000 ELECTRICAL SYSTEM
TOYOTA VENZA HYBRID 2023 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA AVALON HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA AVALON HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CAMRY HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA COROLLA HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA COROLLA HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA HIGHLANDER HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA HIGHLANDER HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA MIRAI 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA MIRAI 2022 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2022 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2022 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 PRIME 2022 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 PRIME 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA SIENNA HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA SIENNA HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA TUNDRA HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA TUNDRA HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA VENZA HYBRID 2022 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA VENZA HYBRID 2022 110000 ELECTRICAL SYSTEM
TOYOTA AVALON HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA AVALON HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CAMRY HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA HIGHLANDER HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA HIGHLANDER HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA MIRAI 2021 110000 ELECTRICAL SYSTEM
TOYOTA MIRAI 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS 2021 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2021 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 PRIME 2021 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 PRIME 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA SIENNA HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA SIENNA HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA VENZA HYBRID 2021 110000 ELECTRICAL SYSTEM
TOYOTA VENZA HYBRID 2021 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA AVALON HYBRID 2020 110000 ELECTRICAL SYSTEM
TOYOTA AVALON HYBRID 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CAMRY HYBRID 2020 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA HIGHLANDER HYBRID 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA HIGHLANDER HYBRID 2020 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS 2020 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2020 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 HYBRID 2020 110000 ELECTRICAL SYSTEM
TOYOTA RAV4 HYBRID 2020 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA AVALON HYBRID 2019 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA AVALON HYBRID 2019 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2019 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CAMRY HYBRID 2019 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2019 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2019 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2019 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2019 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2019 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA RAV4 HYBRID 2019 110000 ELECTRICAL SYSTEM
TOYOTA CAMRY HYBRID 2018 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA CAMRY HYBRID 2018 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2018 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2018 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2018 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2018 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS 2017 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2017 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS PRIME 2017 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS PRIME 2017 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
TOYOTA PRIUS 2016 110000 ELECTRICAL SYSTEM
TOYOTA PRIUS 2016 119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT

Related TOYOTA Recalls

CampaignModelYearComponentSummary
TUNDRA 2024 ENGINE AND ENGINE COOLING:ENGINE:HARD... Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2024 T...
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COROLLA CROSS HYBRID 2023 BACK OVER PREVENTION:WARNINGS:EXTERNA... Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2023-2...
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What Should You Do?

If your vehicle is affected by this TSB, contact your authorized TOYOTA dealer. Bring this bulletin ID (TSB008523A) when you visit. If under warranty, the repair should be free. If your warranty has expired, ask about goodwill coverage — manufacturers sometimes cover TSB-related repairs beyond the warranty period.

Frequently Asked Questions

A recall is a mandatory safety fix — the manufacturer must repair every affected vehicle for free. A TSB is an advisory document that describes a known issue and the recommended fix, but repairs are not required. However, some TSBs eventually lead to recalls if the issue poses a safety risk. TSBs are generally issued for quality or performance problems, while recalls address safety defects.

If your vehicle is still under the manufacturer's warranty, TSB-related repairs are typically covered at no cost. If your warranty has expired, you can ask the dealer about goodwill or customer assistance programs. Many manufacturers will cover or partially cover repairs for well-known issues, especially if the TSB was issued recently or affects a large number of vehicles.

Check the make, model, and model year listed above against your vehicle. If they match, this bulletin likely applies. However, TSBs may only affect vehicles with specific production dates, VIN ranges, or configurations. Your dealer can confirm by entering your VIN into their service system, which will show all applicable TSBs and recalls.

This data comes from the National Highway Traffic Safety Administration (NHTSA). Manufacturers are required to submit copies of all communications (including TSBs) sent to their dealers to NHTSA. The agency makes this data publicly available as part of its vehicle safety monitoring program.