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P0128 on the 2010 Toyota Camry

The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.

Nobody has written a description of this code yet.

Bulletins for this model year that name P0128
T-SB-0045-132018-04-23. Service bulletin. Some 2010 ? 2011 model year Camry vehicles equipped with a 2AR-FE engine and automatic transmission may exhibit a MIL ?ON? condition with Diagnostic Trouble Code (DTC) P0128 (Coolant Temperature Below Thermostat Regulating Temperature). The Engine Control Module/ECM (SAE term: Powertrain Control Module/PCM) logic has been modified to reduce the possibility of this condition occurring. Use the following repair procedure to address this condition.

1 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.