2022 TOYOTA AVALON HYBRID
0 recalls — 0 complaints — 68 TSBs — 5/5 safety rating
No recalls found for this vehicle.
No complaints found for this vehicle.
NHTSA Safety Ratings — 2022 TOYOTA AVALON HYBRID
2022 Toyota AVALON HYBRID 4 DR FWD
| Category | Rating |
|---|---|
| Overall Rating | 5 / 5 ★★★★★ |
| Frontal Crash | 4 / 5 ★★★★☆ |
| Frontal Crash — Driver | 4 / 5 ★★★★☆ |
| Frontal Crash — Passenger | 4 / 5 ★★★★☆ |
| Side Crash | 5 / 5 ★★★★★ |
| Side Crash — Driver | 5 / 5 ★★★★★ |
| Side Crash — Passenger | 5 / 5 ★★★★★ |
| Rollover | 4 / 5 ★★★★☆ |
| Rollover Risk | 10.5% |
Safety Technology
| Feature | Status |
|---|---|
| Electronic Stability Control | Standard |
| Forward Collision Warning | Standard |
| Lane Departure Warning | Standard |
Source: NHTSA 5-Star Safety Ratings Program. Ratings are based on crash tests conducted by the National Highway Traffic Safety Administration.
EPA Fuel Economy — 2022 TOYOTA AVALON HYBRID
| Trim / Engine | City MPG | Highway MPG | Combined MPG | Fuel Type | Annual Fuel Cost |
|---|---|---|---|---|---|
| 2.5L 4-cyl, Automatic (AV-S6) (Front-Wheel Drive) | 43.0 | 43.0 | 43.0 | Regular | $1,550 |
CO2 Emissions: 203.0 g/mile (Midsize Cars)
Source: U.S. Environmental Protection Agency (EPA). Actual fuel economy may vary based on driving conditions.
Technical Service Bulletins — 2022 TOYOTA AVALON HYBRID
68 manufacturer communications from 41 unique bulletins. TSBs describe known problems and recommended fixes from the manufacturer.
Most Affected Components
| Component | Bulletins |
|---|---|
| 350000 EQUIPMENT | 12 |
| 110000 ELECTRICAL SYSTEM | 10 |
| 060000 ENGINE AND ENGINE COOLING | 9 |
| 980000 UNKNOWN OR OTHER | 3 |
| 353000 EQUIPMENT:ELECTRICAL | 3 |
| 063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV) | 3 |
| 355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL | 3 |
| 160000 STRUCTURE | 2 |
LSB006523
Dec 19, 2024
980000 UNKNOWN OR OTHER
TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
LSB006523
Dec 19, 2024
063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
TT: Engine Oil Leak between the Lower Oil Pan and Crank Case
T-SB-0013-24
Mar 4, 2024
110000 ELECTRICAL SYSTEM
TSB: The Immobilizer and Smart Key Reset is a feature that allows the registration of new keys when all master keys are lost. Once the system is reset, all previously registered keys will be erased and can never be reused. Another feature,
T-PANT-2024-004-
Mar 4, 2024
061500 ENGINE AND ENGINE COOLING:ENGINE:OIL/LUBRICATION
This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
T-PANT-2024-004-
Mar 4, 2024
060000 ENGINE AND ENGINE COOLING
This is to advise of various price adjustments that will affect Toyota Genuine Motor Oil and Long Life Coolant, effective March 1, 2024. These products are ordered through the Toyota Complete Maintenance Care (TCMC) website.
TSB010622
Feb 20, 2024
980000 UNKNOWN OR OTHER
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used w
TSB010622
Feb 20, 2024
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used w
TSB010421
Feb 15, 2024
270000 LANE DEPARTURE
TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message
TSB010421
Feb 15, 2024
110000 ELECTRICAL SYSTEM
TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message
TSB010421
Feb 15, 2024
062000 ENGINE AND ENGINE COOLING:COOLING SYSTEM
TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message
TSB010421
Feb 15, 2024
030000 SERVICE BRAKES, HYDRAULIC
TSB: Some 2018 ? 2024 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, M20A-FKS, or M20A-FXS engine may exhibit one or more of the following conditions: ?Milky/discolored engine oil. ?An ?Oil Pressure Low? warning message
T-TT-0702-22 Rev
Feb 12, 2024
060000 ENGINE AND ENGINE COOLING
TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.
TSB008523A
Nov 17, 2023
119800 ELECTRICAL SYSTEM:PROPULSION SYSTEM:HYBRID MANAGEMENT
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 (
TSB008523A
Nov 17, 2023
110000 ELECTRICAL SYSTEM
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 (
TSB009223
Nov 15, 2023
060000 ENGINE AND ENGINE COOLING
Toyota vehicles equipped with an A25A-FKS or A25A-FXS engine may exhibit reduced engine power and/or a MIL ON condition
TSB008523
Nov 1, 2023
110000 ELECTRICAL SYSTEM
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 (
T-TT-0678-21 Rev
Oct 10, 2023
118000 ELECTRICAL SYSTEM:SOFTWARE
TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps below to enable ?Temp DCM Activation?.
TTT073723
Aug 17, 2023
980000 UNKNOWN OR OTHER
TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assis
TTT073723
Aug 17, 2023
346000 COMMUNICATION:MANUFACTURER TELEMATICS
TT: A very small percentage of customers experience operational difficulties with some telematics features which they cannot resolve on their own. These resources, in conjunction with the Repair Manual, are for dealership personnel to assis
T-SB-0032-23
Jul 27, 2023
350000 EQUIPMENT
TSB: Some 2019 ? 2022 model year Avalon and Avalon Hybrid and 2018 ? 2023 model year Camry and Camry Hybrid vehicles may exhibit a condition in which the carpet underneath the door scuff plate becomes untucked or a carpet loop is torn. The
TSB-0032-23
Jun 5, 2023
350000 EQUIPMENT
TSB: Some 2019 ? 2022 model year Avalon and Avalon Hybrid and 2018 ? 2023 model year Camry and Camry Hybrid vehicles may exhibit a condition in which the carpet underneath the door scuff plate becomes untucked or a carpet loop is torn. The
T-TT-0694-22
May 18, 2023
061600 ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)
TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced. In several cases, it was found that
TTT070222
Feb 20, 2023
060000 ENGINE AND ENGINE COOLING
TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.
T-TT-0611-20 Rev
Dec 19, 2022
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to
T-TT-0672-21 Rev
Dec 17, 2022
060000 ENGINE AND ENGINE COOLING
TT: Some 2021-2022 TMMK built vehicles with A25A-FKS/FXS engines may exhibit an oil leak from the No.2 Oil Pan. This issue is currently under investigation
T-TT-0672-21 Rev
Dec 17, 2022
350000 EQUIPMENT
TT: Some 2021-2022 TMMK built vehicles with A25A-FKS/FXS engines may exhibit an oil leak from the No.2 Oil Pan. This issue is currently under investigation
T-TT-0678-21 Rev
Dec 15, 2022
353000 EQUIPMENT:ELECTRICAL
TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps below to enable ?Temp DCM Activation?.
T-SB-0106-22
Dec 7, 2022
353500 EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM)
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with a Premium Audio with Dynamic Navigation System, require a Special Service Tool (SST) USB flash drive to update the map, points of interest, and system software. The SST is used
22TC05 Dealer Pa
Aug 29, 2022
063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
DP: The subject vehicles may have been equipped with an engine containing an incorrectly manufactured Crankcase Case Vent. If the engine is equipped with an incorrectly manufactured Crankcase Case Vent, the vehicle may release crankcase emi
22TC05 Dealer Pa
Aug 23, 2022
061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
DP: The subject vehicles may have been equipped with an engine containing an incorrectly manufactured Crankcase Case Vent. If the engine is equipped with an incorrectly manufactured Crankcase Case Vent, the vehicle may not comply with certa
22TC05 Technical
Aug 17, 2022
061700 ENGINE AND ENGINE COOLING:ENGINE:CRANK/CAMSHAFT POSITION SENSOR
TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 22TC05 Crankcase Case Vent
22TC05 Dealer Pa
Aug 11, 2022
063110 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV)
DP: The subject vehicles may have been equipped with an engine containing an incorrectly manufactured Crankcase Case Vent. If the engine is equipped with an incorrectly manufactured Crankcase Case Vent, the vehicle may not comply with certa
T-TT-0694-22 Rev
Aug 10, 2022
060000 ENGINE AND ENGINE COOLING
TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced (Fig 1). In several cases, it was fo
22TC05 Technical
Aug 10, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TI: TECHNICAL INSTRUCTIONS FOR SPECIAL SERVICE CAMPAIGN 22TC05
22TC05 Region Le
Aug 10, 2022
063100 ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
RL: The subject vehicles may have been equipped with an engine containing an incorrectly manufactured Crankcase Case Vent. If the engine is equipped with an incorrectly manufactured Crankcase Case Vent, the vehicle may not comply with certa
22TC05 Region Le
Aug 10, 2022
060000 ENGINE AND ENGINE COOLING
RL: The subject vehicles may have been equipped with an engine containing an incorrectly manufactured Crankcase Case Vent. If the engine is equipped with an incorrectly manufactured Crankcase Case Vent, the vehicle may not comply with certa
T-TT-0702-22
Jul 29, 2022
060000 ENGINE AND ENGINE COOLING
TT: Some 2020-2022 vehicles equipped with North American Produced (NAP) A25A-FKS/FXS engines may experience an oil leak from the head/valve cover gasket. This issue is currently under investigation.
TSB001221Rev2
Jun 14, 2022
160000 STRUCTURE
TSB: Some 2010 ? 2022 model year Toyota vehicles may exhibit paint stains after the removal of Rapgard?. The paint stains may appear to be under the clear coat but are usually under wrinkles in the Rapgard?. The wrinkles may trap water and
TSB008921Rev2
Jun 7, 2022
110000 ELECTRICAL SYSTEM
TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED
TSB008921Rev2
Jun 7, 2022
350000 EQUIPMENT
TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED
TSB008921Rev2
Jun 7, 2022
115000 ELECTRICAL SYSTEM:BODY CONTROL MODULE/BCM
TSB: Some 2020 model year Camry, Camry Hybrid, Corolla Hatchback, RAV4, and RAV4 Hybrid vehicles may exhibit one or more of the following conditions: ?Diagnostic Trouble Code (DTC) B15A804 is present in current or history. ?Red SOS LED
T-SB-0110-20 Rev
May 31, 2022
119100 ELECTRICAL SYSTEM:PROPULSION SYSTEM:TRACTION BATTERY
TSB: This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while
T-SB-0110-20 Rev
May 31, 2022
350000 EQUIPMENT
TSB: This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries. This bulletin should be used in conjunction with the applicable model and model year Repair Manual while
T-TT-0611-20 Rev
May 27, 2022
353400 EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.
TT: To assist with the early detection and early resolution of audio related concerns, it may be requested as part of the remanufactured head unit return to recover MMR data from the head unit. The following steps are instructions on how to
TSB009421Rev1
May 26, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The pur
T-TT-0694-22
Apr 6, 2022
110000 ELECTRICAL SYSTEM
TT: After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced (Fig 1). In several cases, it was fo
T-SB-0040-21 Obs
Mar 10, 2022
350000 EQUIPMENT
OBSOLETE NOTICE March 10, 2022: This bulletin is now obsolete. Please see T-SB-0016-22.
T-SB-0012-22
Mar 4, 2022
350000 EQUIPMENT
TSB: 2022 model year Toyota vehicles are equipped with driver side floor mat retainers to secure the floor mat in the correct position. In addition, some models may also utilize retainers for passenger side and rear seat floor mats. During
T-SB-0003-22
Jan 28, 2022
114000 ELECTRICAL SYSTEM:WIRING
TSB This Service Bulletin includes guidelines meant to help determine whether to repair or replace a wire harness assembly based on damage type. This Service Bulletin should be used in conjunction with the applicable model and model year El
T-TT-0593-20 Rev
Jan 20, 2022
118310 ELECTRICAL SYSTEM:ADAS:DRIVER MONITORING:SOFTWARE
TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacem
T-TT-0593-20 Rev
Jan 20, 2022
110000 ELECTRICAL SYSTEM
TT: Some customers may experience the inability to activate Remote Connect or Remote Connect becoming inoperative when attempting to send commands to the vehicle. To simplify the diagnosis of this system and prevent the unnecessary replacem
Toyota PRO19-02
Jan 12, 2022
355200 EQUIPMENT:OTHER:OWNERS/SERVICE/OTHER MANUAL
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom
Toyota PRO19-02
Jan 12, 2022
200000 WHEELS
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom
Toyota PRO19-02
Jan 12, 2022
190000 TIRES
POL: This consolidated Tire Warranty Guide contains the complete warranty terms for all brands of ground and spare tires currently in use by Toyota. This information must be kept near the point of vehicle sale and be available to any custom
T-TT-0678-21
Dec 20, 2021
353000 EQUIPMENT:ELECTRICAL
TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps below to enable ?Temp DCM Activation?.
T-TT-0678-21
Dec 20, 2021
110000 ELECTRICAL SYSTEM
TT: Some 19CY LG DCM equipped vehicles may not be able to complete the firmware update due to not having an active account or waived services during the trial. Follow the steps below to enable ?Temp DCM Activation?.
T-SB-0104-21
Dec 17, 2021
060000 ENGINE (PWS)
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engine oil. ?An ?Oil Pressure Low? warning message on the Mu
T-SB-0104-21
Dec 17, 2021
110000 ELECTRICAL SYSTEM
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engine oil. ?An ?Oil Pressure Low? warning message on the Mu
T-SB-0104-21
Dec 17, 2021
350000 EQUIPMENT
TSB: Some 2018 ? 2022 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit one or more of the following conditions: ?Milky/Discolored engine oil. ?An ?Oil Pressure Low? warning message on the Mu
T-SB-0094-21
Nov 23, 2021
160000 STRUCTURE
TSB: Some 2005 ? 2022 model year Toyota vehicles that have undergone water intrusion may exhibit a condition in which a musty smell is present. Follow the procedures in this bulletin to remediate the odor and address this condition. The pur
T-SB-0037-21 Rev
Nov 9, 2021
353000 EQUIPMENT:ELECTRICAL
TSB: An initialization procedure is required to activate the Entune? 3.0 App Suite Connect for Audio, Audio Plus, and Premium Audio head units before they are used for the first time on new vehicles. The initialization procedure may also be
TTT067221
Oct 29, 2021
060000 ENGINE AND ENGINE COOLING
TT: Some 2021-2022 TMMK built vehicles with A25A-FKS/FXS engines may exhibit an oil leak from the No.2 Oil Pan. This issue is currently under investigation.
T-SB-0040-21 Rev
Oct 22, 2021
350000 EQUIPMENT
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage cond
T-SB-0038-21 Rev
Oct 22, 2021
350000 EQUIPMENT
TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspect
T-SB-0038-21 Rev
Oct 22, 2021
110000 ELECTRICAL SYSTEM
TSB: A battery in a stored vehicle is subject to conditions that can reduce its performance and service life. These conditions include storage period, temperature, parasitic drain, and battery load. Because of these factors, battery inspect
T-SB-0061-21
Jul 29, 2021
350000 EQUIPMENT
TSB: Pre-Delivery Service (PDS) is a critical step in satisfying our new car customers. Customer feedback indicates the following areas deserve special attention when performing PDS: ?Careful inspection for paint chips/scratches and body
T-SB-0080-19 Rev
Jul 26, 2021
357100 EQUIPMENT:APPLIANCE:AIR CONDITIONER
TSB: Some 2006 ? 2022 model year Toyota vehicles in particular geographic areas may exhibit a condition where the HVAC evaporator drain hose has become obstructed with an insect nest. An insect repellent drain hose tip (ARINIX? Tip) is avai
T-SB-0040-21 Rev
Jul 12, 2021
350000 EQUIPMENT
TSB: Long-term or off-site storage requires special care to keep vehicles factory fresh and ready for delivery. The following guidelines should be performed to minimize vehicle component/part degradation due to extended vehicle storage co
NHTSA Safety Investigations — TOYOTA AVALON HYBRID
Investigations opened by NHTSA into potential safety defects. These are separate from recalls and may or may not result in a recall.
DP23005
Opened: Nov 22, 2023
Brake Actuator Valve Wear
The Office of Defects Investigation (ODI) has received a petition dated September 19, 2023 from the owner of a 2012 Toyota Prius V requesting that ODI reevaluate its decision to deny DP19-004. In the letter, the petitioner reported experiencing an unexpected and complete loss of brake power while dr... Read more
DP19004
Opened: Sep 30, 2019 — Closed: Jan 21, 2021
Brake Actuator Valve Wear
On September 19, 2019, the Office of Defects Investigation (ODI) received a defect petition from Mr. Roger Hogan requesting that the Agency investigate and recall certain Toyota Prius, Prius PHV, Camry Hybrid and Avalon Hybrid vehicles for a brake actuator valve wear condition covered under Toyota C... Read more
TOYOTA AVALON HYBRID — All Years Overview
Complete safety history for the TOYOTA AVALON HYBRID across all model years (2013–2021).
18
Total Recalls
81
Total Complaints
2
Investigations
10
Reported Crashes
2
Reported Fires
0
Reported Deaths