B1423 on the 2020 Toyota Highlander
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.
| T-SB-0127-20 | 2021-01-25. Service bulletin. TSB: Some 2020 model year Highlander and Highlander Hybrid vehicles may experience a sudden loss of air conditioning cooling with Diagnostic Trouble Code (DTC) B1423 (Open in Pressure Sensor Circuit/Abnormal Refrigerant Pressure) present. Follow the Repair Procedure in this bulletin to address these conditions. |
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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.