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Home >> Lexus >> 2024 >> TX 350 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Electronic Shift System (Pc60) - Diagnostic Codes & Circuit Tests) >> Electronic Shift System >> DTC P1779-49: Gear Shift Control Module Backup Power Supply Internal Electronic Failure [09/2023 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2024 Lexus TX 500h. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the All Readiness check procedure.

Refer to UTILITY [09/2023 - ]

  1. Turn the ignition switch off and wait for 6 minutes or more.
  2. Turn the ignition switch to ON and wait for 10 seconds or more.
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