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Service bulletin 19TC06 - FAQ - A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10171709
Published by NHTSA2020-02-24
Manufacturer's number19TC06 - FAQ - A
Manufacturer's date2020-01-09
NHTSA componentPOWER TRAIN; ENGINE

NHTSA's summary

Frequently Asked Questions: Certain 2020 Model Year Toyota Avalon, and Camry with 2GR-FKS Engine ECU Reprogram. The engine ECU in the involved vehicles includes certain erroneous transmission related calibration values. As a result, this software does not match the version intended to be used on production vehicles.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine, Transmission and driveline

Vehicles listed
TOYOTA AVALON2020
TOYOTA CAMRY2020

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20200392020-02-06. Engine
20V0640002020-02-06. ENGINE AND ENGINE COOLING

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
T-SB-0110-20 Rev22026-09-09. Service bulletin. OBSOLETE NOTICE August 20, 2026: This bulletin is now obsolete. Please see T-SB-0051-26.
T-SB-0051-262026-09-09. Service bulletin. This bulletin includes basic procedures for performing a rescue charge at battery on high voltage (HV) Ni-MH and Li-ion batteries.
24TE042026-09-09. Warranty extension. Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut-off Valve Coolant Leak.
T-SB-0104-21 Rev22026-03-07. Service bulletin. OBSOLETE NOTICE February 27, 2026: This bulletin is no longer applicable and is now obsolete.
24TE042025-09-09. Service campaign. The specific condition covered by this program is for a small engine coolant leak that can occur from the flow shut-off valve that can allow coolant to drip on other parts of the vehicle. This can cause "Engine Maintenance Required" to be displayed on the instrument cluster or cause the A/C not to function normally. Although the flow shut-off valve is covered by Toyota’s New Vehicle Limited Warranty for 36 months or 36,000 miles (whichever comes first), we at Toyota care about the customers’ ownership experience. Toyota is providing coverage for repairs related to Flow Shut-off Valve Coolant Leak.
T-SB-0112-24 Rev22025-07-10. Service bulletin. Some 2018 – 2021 model year Toyota vehicles equipped with an A25A-FKS, A25A-FXS, or M20A-FKS engine may exhibit a condition in which an “Engine Maintenance Required” message is displayed in the Multi-Information Display (MID). Additionally, the vehicle will exhibit DTC(s) P268111 (Engine Coolant Bypass Valve Circuit Short to Ground) and/or P268115 (Engine Coolant Bypass Valve Circuit Short to Battery or Open).
T-TT-0784-25 Rev12025-07-10. Service bulletin. Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
T-TT-0784-252025-07-10. Service bulletin. Some ECUs can set a DTC that is common with other ECUs. This can lead to accidental use of the wrong repair manual when diagnosing these type of DTCs.
T-SB-0005-24 Rev22025-06-06. Service bulletin. Some 2021 model year Avalon, 2020 – 2022 model year Camry, and 2019 – 2022 model year RAV4 vehicles equipped with an A25A-FKS engine may exhibit reduced engine power and/or a MIL ON condition with one or more of the following throttle body Diagnostic Trouble Codes (DTCs) present in freezing temperatures: •P01201C: Throttle / Pedal Position Sensor / Switch “A” Circuit Voltage Out of Range. •P210015: Throttle Actuator “A” Control Motor Circuit Short to Battery or Open. •P210019: Throttle Actuator “A” Control Motor Circuit Current Above Threshold. •P211172: Throttle Actuator “A” Control System Actuator Stuck Open. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic and the fuel pump assembly have been modified to address these conditions.
T-SB-0005-24 Rev22025-05-15. Service bulletin. Some 2021 model year Avalon, 2020 – 2022 model year Camry, and 2019 – 2022 model year RAV4 vehicles equipped with an A25A-FKS engine may exhibit reduced engine power and/or a MIL ON condition with one or more of the following throttle body Diagnostic Trouble Codes (DTCs) present in freezing temperatures: •P01201C: Throttle / Pedal Position Sensor / Switch “A” Circuit Voltage Out of Range. •P210015: Throttle Actuator “A” Control Motor Circuit Short to Battery or Open. •P210019: Throttle Actuator “A” Control Motor Circuit Current Above Threshold. •P211172: Throttle Actuator “A” Control System Actuator Stuck Open. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic and the fuel pump assembly have been modified to address these conditions.