Service bulletins for the 2020 Toyota Highlander
A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.
236 on file from NHTSA, as of 2026-10-19.
About B1423 on the 2020 Toyota Highlander: what the code means, and the bulletins and recalls about the same components.
By type
By component
By trouble code
By topic
Only bulletins with trouble code: B1423 are shown. Show all
| T-SB-0127-20 | 2021-01-25. Service bulletin. BACK OVER PREVENTION; SERVICE BRAKES. 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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The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.