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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 65 (Hybrid Control System - Diagnostic Codes (5 Of 7)) >> HYBRID CONTROL SYSTEM (for PHEV Model) >> DTC P176A-87: Lost Communication with Fail Safe Signal (Gear Shift Control Module "A") Missing Message [08/2023 - ] >> Confirmation Driving Pattern

Confirmation Driving Pattern

WARNING: This page is about a different car, the 2025 Lexus RX 450h+ and 2024 Lexus RX 450h+. However, it is still accessible from the selected car via links, so may be relevant.

HINT: 

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

Refer to UTILITY [08/2023 - ]

  1. Turn the ignition switch to ON (READY) and wait for 2 minutes or more.
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