P0128 on the 2017 Acura NSX
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.
| B17-048 | 2017-12-08. Service bulletin. Service bulletin - The MIL comes on with DTC P0128 (Cooling System Malfunction). The thermostat inner seal detaches and allows the thermostat to be held open. This causes the coolant temperature to incorrectly increase higher than the expected rate. |
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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.