During diagnosis, Toyota recommends using Techstream ADVi or Techstream 2.0. Software version 15.00.028 or later is required.
Some 2018-2019 Toyota Highlander HV (hybrid) vehicles may exhibit a MIL on with DTC P107B (fuel rail pressure sensor “B” circuit range/performance).
In this condition, Toyota recommends replacing the fuel pump assembly. During diagnosis, Toyota recommends using Techstream ADVi or Techstream 2.0. Software version 15.00.028 or later is required.
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