P1400 on the 2018 Dodge Charger
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.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| S1508000323REVA | 2022-09-26. Service bulletin. PCM Sets DTC P1400-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required |
|---|---|
| S1508000323 Rev. | 2021-04-26. Service bulletin. PCM Sets DTC P1400-Aftermarket Calibration Detected/Warranty Coverage Confirmation Required |
2 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.