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 ID | TSB008523A |
| Manufacturer | TOYOTA |
| Models | 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 |
| Model Years | 2016–2023 |
| Date Issued | November 17, 2023 |
| Date Added to NHTSA | December 25, 2023 |
| Component | ELECTRICAL SYSTEM |
| Vehicles Affected | 96 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
| Make | Model | Year | Component |
|---|---|---|---|
| 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
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.