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Home >> Lexus >> 2018 >> LC 500h >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Smart Access System (For Start) - Diagnostics - Introduction (2 Of 2) >> SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function) >> Diagnostic Trouble Code Chart [04/2020 - 05/2023] >> Diagnostic Trouble Code Chart [04/2020 - 05/2023]
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Diagnostic Trouble Code Chart [04/2020 - 05/2023]

SMART ACCESS SYSTEM WITH PUSH-BUTTON START (FOR START FUNCTION)

DTC No. Detection Item Link
B2271 Ignition Hold Monitor Malfunction Refer to DTC B2271: Ignition Hold Monitor Malfunction [01/2017 - ]
B2274 ACC Monitor Malfunction Refer to DTC B2274: ACC Monitor Malfunction [01/2017 - 05/2023]
B2275 STSW Monitor Malfunction Refer to DTC B2275: STSW Monitor Malfunction [01/2017 - ]
B2277 Detecting Vehicle Submersion Refer to DTC B2277: Detecting Vehicle Submersion [01/2017 - ]
B2278 Engine/Power Switch Malfunction Refer to DTC B2278: Engine/Power Switch Malfunction [01/2017 - ]
B2282 Vehicle Speed Signal Malfunction Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [01/2017 - 05/2023]
B2283 Vehicle Speed Sensor Malfunction Refer to DTC B2282: Vehicle Speed Signal Malfunction; DTC B2283: Vehicle Speed Sensor Malfunction [01/2017 - 05/2023]
B2284 Brake Signal Malfunction Refer to DTC B2284: Brake Signal Malfunction [01/2017 - 05/2023]
B2285 Steering Lock Position Signal Circuit Malfunction Refer to DTC B2285: Steering Lock Position Signal Circuit Malfunction [04/2020 - 05/2023]
B228B System Voltage or GND Energization Malfunction Refer to DTC B228B: System Voltage or GND Energization Malfunction [01/2017 - ]
B2779 Engine Starter Communication Malfunction Refer to DTC B2779: Engine Starter Communication Malfunction [01/2017 - ]
B2781 Open / Short in Steering Lock ECU Refer to DTC B2781: Open / Short in Steering Lock ECU [01/2017 - 05/2023]
B2782 Power Source Control ECU Malfunction Refer to DTC B2782: Power Source Control ECU Malfunction [01/2017 - 05/2023]
B2784 Antenna Coil Open / Short Refer to DTC B2784: Antenna Coil Open / Short [01/2017 - ]
B2788 IG2 Signal Malfunction Refer to DTC B2788: IG2 Signal Malfunction [01/2017 - 05/2023]
B278A Short to GND in Immobiliser System Power Source Circuit Refer to DTC B278A: Short to GND in Immobiliser System Power Source Circuit [01/2017 - ]
B2790 ID BOX EEPROM Malfunction Refer to DTC B2790: ID BOX EEPROM Malfunction [01/2017 - ]
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid Refer to DTC B2799-86: Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid [01/2017 - ]
B279A-12 Engine Immobiliser System Circuit Short to Battery Refer to DTC B279A-12: Engine Immobiliser System Circuit Short to Battery [01/2017 - ]
B279C-95 Engine Immobiliser System Incorrect Assembly Refer to DTC B279C-95: Engine Immobiliser System Incorrect Assembly [01/2017 - ]
B27A5 Open in Front Floor Electrical Key Oscillator Circuit Refer to DTC B27A5: Open in Front Floor Electrical Key Oscillator Circuit [01/2017 - 05/2023]
B27A6 Open in Rear Floor Electrical Key Oscillator Circuit Refer to DTC B27A6: Open in Rear Floor Electrical Key Oscillator Circuit [01/2017 - 05/2023]
U0103 Lost Communication with Gear Shift Module "A" Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0129 Lost Communication with Brake System Control Module Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0140 Lost Communication with Main Body ECU Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0142 Lost Communication with Main Body ECU Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0155 Lost Communication with Combination Meter Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0199 Lost Communication with "Door Control Module A" Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0200 Lost Communication with "Door Control Module B" Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U0293 Lost Communication With Hybrid Powertrain Control Module Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
U1117 Lost Communication with Accessory Gateway Refer to DTC U0140: Lost Communication with Main Body ECU; DTC U0103: Lost Communication with Gear Shift Module "A"; DTC U0129: Lost Communication with Brake System Control Module; DTC U0142: Lost Communication with Main Body ECU; DTC U0155: Lost Communication with Combination Meter; DTC U0199: Lost Communication with "Door Control Module A"; DTC U0200: Lost Communication with "Door Control Module B"; DTC U0293: Lost Communication With Hybrid Powertrain Control Module; DTC U1117: Lost Communication with Accessory Gateway [01/2017 - ]
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