Toyota Avalon 2017–2019 — technical service bulletin
Bulletin T-SB-0122-20 Rev · NHTSA communication 10198153 · issued May 26, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
6
vehicle entries
Official summary
TSB: Some 2017 ? 2018 model year Highlander and Sienna, 2018 model year Camry, and 2019 model year Avalon vehicles with and without the stop and start feature may exhibit a MIL ON condition with Diagnostic Trouble Codes (DTCs) P07407E and/or P27567F. The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition. Follow the Repair Procedure in this bulletin to address this condition.
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.