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Home >> Lexus >> 2024 >> RX 350h Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 45 (Smart Access System (For Start) - Diagnostics - Introduction) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function, Gasoline Model) >> Diagnostic Trouble Code Chart [10/2022 - ] >> Diagnostic Trouble Code Chart [10/2022 - ]
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Diagnostic Trouble Code Chart [10/2022 - ]

WARNING: This page is about a different car, the 2025 Lexus RX 350, 2024 Lexus RX 350, and 2023 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
SMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION)

DTC No. Detection Item DTC Output from Priority Link
B2271-11 IG Circuit Short to Ground Power Source Control A Refer to DTC B2271-11: IG Circuit Short to Ground [10/2022 - ]
B2274-11 ACC Circuit Short to Ground Power Source Control A Refer to DTC B2274-11: ACC Circuit Short to Ground [10/2022 - ]
B2278-62 Engine/Power Switch Signal Compare Failure Power Source Control A Refer to DTC B2278-62: Engine/Power Switch Signal Compare Failure [10/2022 - ]
B2282-31 Vehicle Speed Signal Circuit Open Power Source Control A Refer to DTC B2282-31: Vehicle Speed Signal Circuit Open; DTC B2282-62: Vehicle Speed Signal Compare Failure [10/2022 - ]
B2282-62 Vehicle Speed Signal Compare Failure Power Source Control A Refer to DTC B2282-31: Vehicle Speed Signal Circuit Open; DTC B2282-62: Vehicle Speed Signal Compare Failure [10/2022 - ]
B2285-62 Steering Lock Position Signal Compare Failure Power Source Control B Refer to DTC B2285-62: Steering Lock Position Signal Compare Failure [10/2022 - ]
B228B-00 Battery Circuit or Ground Circuit Energization Malfunction Power Source Control A Refer to DTC B228B-00: Battery Circuit or Ground Circuit Energization Malfunction [10/2022 - ]
B277A-96 Wireless Starter Component Internal Failure Smart Access A Refer to DTC B277A-96: Wireless Starter Component Internal Failure [10/2022 - ]
B2781-96 Steering Lock System Component Internal Failure Smart Access A Refer to DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [10/2022 - ]
B2782-11 Power Source Control System Circuit Short to Ground Smart Access A Refer to DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [10/2022 - ]
B2782-15 Power Source Control System Circuit Short to Battery or Open Smart Access A Refer to DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [10/2022 - ]
B2784-1C Antenna Coil Circuit Voltage Out of Range Smart Access A Refer to DTC B2784-1C: Antenna Coil Circuit Voltage Out of Range [10/2022 - ]
B278D-96 ID-BOX Component Internal Failure Smart Access A Refer to DTC B278D-96: ID-BOX Component Internal Failure [10/2022 - ]
B278E-87 Immobilizer Amp Missing Message Smart Access A Refer to DTC B278E-87: Immobilizer Amp Missing Message [10/2022 - ]
B2790-46 ID-BOX Calibration / Parameter Memory Failure Smart Access A Refer to DTC B2790-46: ID-BOX Calibration / Parameter Memory Failure [10/2022 - ]
B2799-86 Engine Immobilizer System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid Engine A Refer to DTC B2799-86: Engine Immobilizer System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid [10/2022 - ]
B279A-12 Engine Immobilizer System Circuit Short to Battery Engine A Refer to DTC B279A-12: Engine Immobilizer System Circuit Short to Battery [10/2022 - ]
B279C-95 Engine Immobilizer System Incorrect Assembly Engine A Refer to DTC B279C-95: Engine Immobilizer System Incorrect Assembly [10/2022 - ]
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range Smart Access A Refer to DTC B2781-96: Steering Lock System Component Internal Failure; DTC B2782-11: Power Source Control System Circuit Short to Ground; DTC B2782-15: Power Source Control System Circuit Short to Battery or Open; DTC B279F-1C: Steering Lock Confirmation Signal Circuit Voltage Out of Range [10/2022 - ]
B27A5-13 Front Floor Electrical Key Oscillator Circuit Open Smart Access A Refer to DTC B27A5-13: Front Floor Electrical Key Oscillator Circuit Open [10/2022 - ]
B27A6-13 Rear Floor Electrical Key Oscillator Circuit Open Smart Access A Refer to DTC B27A6-13: Rear Floor Electrical Key Oscillator Circuit Open [10/2022 - ]
B27A7-13 Rear Floor 2 Electrical Key Oscillator Circuit Open Smart Access A Refer to DTC B27A7-13: Rear Floor 2 Electrical Key Oscillator Circuit Open [10/2022 - ]
P0335-62 Crankshaft Position Sensor "A" Signal Compare Failure Power Source Control A Refer to DTC P0335-62: Crankshaft Position Sensor "A" Signal Compare Failure [10/2022 - ]
P0571-62 Brake Switch "A" Signal Compare Failure Power Source Control A Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [10/2022 - ]
U0100-87 Lost Communication With ECM/PCM "A" Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0103-87 Lost Communication with Gear Shift Control Module "A" Missing Message Power Source Control B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0129-87 Lost Communication with Brake System Control Module "A" Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0140-87 Lost Communication with Body Control Module Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0163-87 Lost Communication with Navigation Control Module Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U0230-87 Lost Communication with Rear Gate Module Missing Message Smart Access B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U1103-87 Lost Communication with Stop and Start Control Module Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
U1117-87 Lost Communication with Accessory Gateway Missing Message Smart Access
Power Source Control		 B Refer to DTC U0100-87: Lost Communication With ECM/PCM "A" Missing Message; DTC U0103-87: Lost Communication with Gear Shift Control Module "A" Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module "A" Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message; DTC U0155-87: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0163-87: Lost Communication with Navigation Control Module Missing Message; DTC U0230-87: Lost Communication with Rear Gate Module Missing Message; DTC U1103-87: Lost Communication with Stop and Start Control Module Missing Message; DTC U1110-87: Lost Communication with Intuitive Parking Assist Module Missing Message; DTC U1117-87: Lost Communication with Accessory Gateway Missing Message [10/2022 - ]
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