TSB: TOYOTA AVALON, AVALON HYBRID, CAMRY, CAMRY HYBRID, HIGHLANDER, HIGHLANDER HYBRID, RAV4, RAV4 HYBRID, SIENNA, SIENNA HYBRID (2020–2024)

Bulletin LSB006523 — December 19, 2024

Bulletin Details

Bulletin IDLSB006523
ManufacturerTOYOTA
ModelsAVALON, AVALON HYBRID, CAMRY, CAMRY HYBRID, HIGHLANDER, HIGHLANDER HYBRID, RAV4, RAV4 HYBRID, SIENNA, SIENNA HYBRID
Model Years2020–2024
Date IssuedDecember 19, 2024
Date Added to NHTSAJanuary 29, 2024
ComponentENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
Vehicles Affected72 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

TT: Engine Oil Leak between the Lower Oil Pan and Crank Case

Affected Vehicles

MakeModelYearComponent
TOYOTA CAMRY 2024 980000 UNKNOWN OR OTHER
TOYOTA CAMRY 2024 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA HIGHLANDER HYBRID 2024 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2024 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 2024 980000 UNKNOWN OR OTHER
TOYOTA RAV4 2024 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA 2024 980000 UNKNOWN OR OTHER
TOYOTA SIENNA 2024 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2023 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2023 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER 2023 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA HIGHLANDER 2023 980000 UNKNOWN OR OTHER
TOYOTA RAV4 2023 980000 UNKNOWN OR OTHER
TOYOTA RAV4 2023 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA 2023 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA 2023 980000 UNKNOWN OR OTHER
TOYOTA AVALON 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA AVALON 2022 980000 UNKNOWN OR OTHER
TOYOTA AVALON HYBRID 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA AVALON HYBRID 2022 980000 UNKNOWN OR OTHER
TOYOTA CAMRY 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2022 980000 UNKNOWN OR OTHER
TOYOTA CAMRY HYBRID 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY HYBRID 2022 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA HIGHLANDER 2022 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2022 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 2022 980000 UNKNOWN OR OTHER
TOYOTA RAV4 HYBRID 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 HYBRID 2022 980000 UNKNOWN OR OTHER
TOYOTA SIENNA 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA 2022 980000 UNKNOWN OR OTHER
TOYOTA SIENNA HYBRID 2022 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA HYBRID 2022 980000 UNKNOWN OR OTHER
TOYOTA AVALON 2021 980000 UNKNOWN OR OTHER
TOYOTA AVALON 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA AVALON HYBRID 2021 980000 UNKNOWN OR OTHER
TOYOTA AVALON HYBRID 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2021 980000 UNKNOWN OR OTHER
TOYOTA CAMRY HYBRID 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY HYBRID 2021 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER 2021 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA HIGHLANDER HYBRID 2021 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 2021 980000 UNKNOWN OR OTHER
TOYOTA RAV4 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 HYBRID 2021 980000 UNKNOWN OR OTHER
TOYOTA RAV4 HYBRID 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA 2021 980000 UNKNOWN OR OTHER
TOYOTA SIENNA 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA SIENNA HYBRID 2021 980000 UNKNOWN OR OTHER
TOYOTA SIENNA HYBRID 2021 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA AVALON 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA AVALON 2020 980000 UNKNOWN OR OTHER
TOYOTA AVALON HYBRID 2020 980000 UNKNOWN OR OTHER
TOYOTA AVALON HYBRID 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY 2020 980000 UNKNOWN OR OTHER
TOYOTA CAMRY HYBRID 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA CAMRY HYBRID 2020 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA HIGHLANDER 2020 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2020 980000 UNKNOWN OR OTHER
TOYOTA HIGHLANDER HYBRID 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 2020 980000 UNKNOWN OR OTHER
TOYOTA RAV4 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TOYOTA RAV4 HYBRID 2020 980000 UNKNOWN OR OTHER
TOYOTA RAV4 HYBRID 2020 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)

Related TOYOTA Recalls

CampaignModelYearComponentSummary
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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 (LSB006523) 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.