Toyota Camry 2019–2020 — technical service bulletin
Bulletin T-SB-0126-20 · NHTSA communication 10185761 · issued Dec 21, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2019–2020
model years
2
vehicle entries
Official summary
TSB: Some 2019 ? 2020 model year Camry vehicles may exhibit a sudden drop in heater performance ~27°F (15°C) when the vehicle is driven in ambient temperatures below -4°F (-20°C) and coolant temperature is 158°F (70°C) ? 172°F (78°C). The Engine Control Module (ECM) (SAE term: Powertrain Control Module/PCM) logic has been modified to address 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.