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Home >> Lexus >> 2024 >> RX 500h >> Repair and Diagnosis >> External Pages >> Different car >> Section 12 (Electronic A/T Shift Lever System - Diagnostic Codes (2 Of 2) & Circuit Tests) >> Electronic Shift Lever System >> DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) Missing Message [10/2022 - ] >> Monitor Strategy

Monitor Strategy

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Related DTCs U0291 (INF U0291-00): Lost Communication With Gear Shift Control Module "B" (Gear Shift Control Module "A", Gear Shift Sub bus)
Required sensors/components Transmission floor shift assembly (Shift control ECU)
Frequency of operation 6 times in 1 trip
Duration 1 sec.
MIL operation Immediate
Sequence of operation None