U0422 on the 2015 Ford Transit Connect
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.
| TSB160054 | 2021-12-20. Service bulletin. 2.5L - Air conditioning (A/C) inoperative fand/or message center ambient air temperature display inaccurate - DTCS P0073, P0074, and/or U0422 |
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| 16-0054 | 2016-06-22. Service bulletin. 2.5L - AIR CONDITIONING (A/C) INOPERATIVE AND/OR MESSAGE CENTER AMBIENT AIR TEMPERATURE DISPLAY INACCURATE - DTCS P0073, P0074 AND/OR U0422 ISSUE Some 2014-2016 Transit Connect vehicles equipped with 2.5L engine may exhibit an intermittent condition in which the ambient air temperature (AAT) display in the instrument panel cluster (IPC) is inaccurate and/or the A/C is inoperative. The inoperative A/C may be caused by the AAT reading below -1.1 °C (30 °F) the actual ambient temperature is above -1.1 °C (30 °F) with diagnostic trouble codes (DTCs) P0073, P0074 and/or U0422. |
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.