Section 78 (Electronic A/T Shift Lever System - Diagnostic Codes & Circuit Tests)
WARNING: This page is about a different car, the 2025 Lexus RX 450h+, 2025 Lexus RX 350h, 2024 Lexus RX 450h+, 2024 Lexus RX 350h, and 2023 Lexus RX 350h. However, it is still accessible from the selected car via links, so may be relevant.
- Electronic Shift Lever System
- VEHICLE CONTROL HISTORY (RoB) [10/2022 - ]
- DTC P0850-11: Park/Neutral Switch Circuit Short to Ground; DTC P0850-15: Park/Neutral Switch Circuit Short to Auxiliary Battery or Open [10/2022 - ]
- DTC P085D-04: Gear Shift Control Module "A" System Internal Failure [10/2022 - ]
- DTC P085D-94: Gear Shift Control Module "A" Unexpected Operation [10/2022 - ]
- DTC P08A6-62: Gear Lever Position Sensor Signal Compare Failure [10/2022 - ]
- DTC P0914-2B: Gear Shift Position Circuit "A" Range/Performance Signal Cross Coupled [10/2022 - ]
- DTC P1752-31: Fail Safe Signal (Gear Shift Control Module "B" to "A") No Signal [10/2022 - ]
- DTC P1753-87: Lost Communication with Gear Shift Control Module "B" (Local-CAN) Missing Message [10/2022 - ]
- DTC P1761-A2: Gear Shift Control Module "A" System Voltage Low [10/2022 - 08/2023]
- DTC P1761-A2: Gear Shift Control Module "A" System Voltage Low [08/2023 - ]
- DTC P1765-A2: Sub Battery Module System Voltage Low [10/2022 - ]
- DTC P1769-00: Gear Shift Control Module "A" A/D Processing Performance [10/2022 - ]
- DTC P176D-12: IG2 Signal (Gear Shift Control Module "A") Circuit Short to Auxiliary Battery [10/2022 - ]
- DTC P1770-62: Door Lock Switch / Curtesy Switch Signal Compare Failure [10/2022 - ]
- DTC P1771-A2: Gear Shift Control Module "B" System Voltage Low [10/2022 - 08/2023]
- DTC P1771-A2: Gear Shift Control Module "B" System Voltage Low [08/2023 - ]
- DTC P1775-A2: Sub Battery Module (Gear Shift Control Module "B") System Voltage Low [10/2022 - ]
- DTC P1779-49: Gear Shift Control Module Backup Power Supply Internal Electronic Failure [10/2022 - ]
- DTC P1779-96: Gear Shift Control Module Backup Power Supply Component Internal Failure [10/2022 - ]
- DTC P177A-87: Lost Communication with Gear Shift Control Module Backup Power Supply Missing Message [10/2022 - ]
- DTC P1789-87: Lost Communication with Gear Shift Control Module "A" from "B" Missing Message [10/2022 - ]
- DTC P178A-14: Gear Shift Control Module "B" Wake-up Circuit Short to Ground or Open [10/2022 - ]
- DTC P1790-14: Gear Shift Actuator "A" Supply Voltage "A" Circuit Short to Ground or Open [10/2022 - 08/2023]
- DTC P1790-14: Gear Shift Actuator "A" Supply Voltage "A" Circuit Short to Ground or Open [08/2023 - ]
- DTC P1793-14: Gear Shift Actuator "A" Supply Voltage "B" Circuit Short to Ground or Open [10/2022 - ]
- DTC P179C-49: Gear Shift Actuator "A" Control Circuit Internal Electronic Failure [10/2022 - ]
- DTC P179E-00: Gear Shift Actuator "A" Performance [10/2022 - 08/2023]
- DTC P179E-00: Gear Shift Actuator "A" Performance [08/2023 - ]
- DTC P18A7-62: Gear Shift Control Module "A"/"B" IGCT Signal Compare Failure [10/2022 - ]
- DTC P18A8-62: Gear Shift Control Module "A"/"B" IGCT-Scene Signal Compare Failure [08/2023 - ]
- DTC P18AF-12: Gear Shift Control Module "B" EPBT Circuit Short to Battery [10/2022 - ]
- DTC P18B2-00: Gear Shift Control Module "B" Motor Angle Sensor "A" Performance [10/2022 - ]
- DTC P18B3-1C: Gear Shift Control Module "B" Motor Temperature Sensor "A" Circuit Voltage Out of Range [10/2022 - ]
- DTC P18B5-62: Gear Shift Actuator "A" Phase U-V-W Current Sensor Signal Compare Failure [10/2022 - ]
- DTC P2E00-64: Gear Lever Position Sensor "A" Signal Plausibility Failure; DTC P2E04-64: Gear Lever Position Sensor "B" Signal Plausibility Failure; DTC P2E08-64: Gear Lever Position Sensor "C" Signal Plausibility Failure [10/2022 - ]
- DTC U0140-00: Lost Communication with Body Control Module (Sub) Missing Message; DTC U0155-86: Lost Communication with Instrument Panel Cluster (IPC) Control Module Signal (some circuit quantity, reported via serial data) Invalid; DTC U0293-00: Lost Communication with Hybrid/EV Powertrain Control Module from Gear Shift Control Module "A"; DTC U1107-00: Lost Communication with Power Management Module (Gear Shift Control Module "A"); DTC U114F-00: Lost Communication with Power Integration Module (System 2) Missing Message; DTC U1170-00: Lost Communication with Brake System Control Module (Gear Shift Control Module "A") [10/2022 - ]
- DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) Missing Message [10/2022 - 08/2023]
- DTC U0291-00: Lost Communication with Gear Shift Control Module "B" (System 2) Missing Message [08/2023 - ]
- ECU Power Source Circuit [10/2022 - 08/2023]
- ECU Power Source Circuit [08/2023 - ]