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SMART KEY SYSTEM (for Start Function, Gasoline Model) (2019-25)

SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [06/2018 - 01/2019]

DTC Code Description
B2271 Ignition Hold Monitor Malfunction
B2274 ACC Monitor Malfunction
B2277 Detecting Vehicle Submersion
B2278 Engine/Power Switch Malfunction
B2282 Vehicle Speed Signal Malfunction
B2283 Vehicle Speed Sensor Malfunction
B2284 Brake Signal Malfunction
B2285 Steering Lock Position Signal Circuit Malfunction
B2286 Runnable Signal Malfunction
B228B System Voltage or GND Energization Malfunction
B2779 Engine Starter Communication Malfunction
B2781 Open / Short in Steering Lock ECU
B2782 Power Source Control ECU Malfunction
B2784 Antenna Coil Open / Short
B2788 IG2 Signal Malfunction
B278A Short to GND in Immobiliser System Power Source Circuit
B2790 ID BOX EEPROM Malfunction
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C-95 Engine Immobiliser System Incorrect Assembly
B27A5 Open in Front Floor Electrical Key Oscillator Circuit
B27A6 Open in Rear Floor Electrical Key Oscillator Circuit
B27A7 Open in Inside Luggage Compartment Electrical Key Oscillator Circuit
P0335 Crankshaft Position Sensor Circuit Malfunction (NE Signal)
U0100 Lost Communication with ECM / PCM
U0140 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [01/2019 - 04/2020]

DTC Code Description
B2271 Ignition Hold Monitor Malfunction
B2274 ACC Monitor Malfunction
B2277 Detecting Vehicle Submersion
B2278 Engine/Power Switch Malfunction
B2282 Vehicle Speed Signal Malfunction
B2283 Vehicle Speed Sensor Malfunction
B2284 Brake Signal Malfunction
B2285 Steering Lock Position Signal Circuit Malfunction
B2286 Runnable Signal Malfunction
B228B System Voltage or GND Energization Malfunction
B2779 Engine Starter Communication Malfunction
B2781 Open / Short in Steering Lock ECU
B2782 Power Source Control ECU Malfunction
B2784 Antenna Coil Open / Short
B2788 IG2 Signal Malfunction
B278A Short to GND in Immobiliser System Power Source Circuit
B2790 ID BOX EEPROM Malfunction
B2799 Engine Immobiliser System Malfunction
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A Theft Deterrent System Communication Line High Fixation
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C Theft Deterrent System Presence Detection
B279C-95 Engine Immobiliser System Incorrect Assembly
B27A5 Open in Front Floor Electrical Key Oscillator Circuit
B27A6 Open in Rear Floor Electrical Key Oscillator Circuit
B27A7 Open in Inside Luggage Compartment Electrical Key Oscillator Circuit
P0335 Crankshaft Position Sensor Circuit Malfunction (NE Signal)
U0100 Lost Communication with ECM / PCM
U0140 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [04/2020 - 06/2021]

DTC Code Description
B2271 Ignition Hold Monitor Malfunction
B2274 ACC Monitor Malfunction
B2277 Detecting Vehicle Submersion
B2278 Engine/Power Switch Malfunction
B2282 Vehicle Speed Signal Malfunction
B2283 Vehicle Speed Sensor Malfunction
B2284 Brake Signal Malfunction
B2285 Steering Lock Position Signal Circuit Malfunction
B2286 Runnable Signal Malfunction
B228B System Voltage or GND Energization Malfunction
B2779 Engine Starter Communication Malfunction
B2781 Open / Short in Steering Lock ECU
B2782 Power Source Control ECU Malfunction
B2784 Antenna Coil Open / Short
B2788 IG2 Signal Malfunction
B278A Short to GND in Immobiliser System Power Source Circuit
B2790 ID BOX EEPROM Malfunction
B2799 Engine Immobiliser System Malfunction
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A Theft Deterrent System Communication Line High Fixation
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C Theft Deterrent System Presence Detection
B279C-95 Engine Immobiliser System Incorrect Assembly
B27A5 Open in Front Floor Electrical Key Oscillator Circuit
B27A6 Open in Rear Floor Electrical Key Oscillator Circuit
B27A7 Open in Inside Luggage Compartment Electrical Key Oscillator Circuit
P0335 Crankshaft Position Sensor Circuit Malfunction (NE Signal)
U0100 Lost Communication with ECM / PCM
U0140 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [06/2021 - 09/2022]

DTC Code Description
B2271 Ignition Hold Monitor Malfunction
B2274 ACC Monitor Malfunction
B2277 Detecting Vehicle Submersion
B2278 Engine/Power Switch Malfunction
B2282 Vehicle Speed Signal Malfunction
B2283 Vehicle Speed Sensor Malfunction
B2284 Brake Signal Malfunction
B2285 Steering Lock Position Signal Circuit Malfunction
B2286 Runnable Signal Malfunction
B228B System Voltage or GND Energization Malfunction
B2779 Engine Starter Communication Malfunction
B2781 Open / Short in Steering Lock ECU
B2782 Power Source Control ECU Malfunction
B2784 Antenna Coil Open / Short
B2788 IG2 Signal Malfunction
B278A Short to GND in Immobiliser System Power Source Circuit
B2790 ID BOX EEPROM Malfunction
B2799 Engine Immobiliser System Malfunction
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A Theft Deterrent System Communication Line High Fixation
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C Theft Deterrent System Presence Detection
B279C-95 Engine Immobiliser System Incorrect Assembly
B27A5 Open in Front Floor Electrical Key Oscillator Circuit
B27A7 Open in Inside Luggage Compartment Electrical Key Oscillator Circuit
P0335 Crankshaft Position Sensor Circuit Malfunction (NE Signal)
U0100 Lost Communication with ECM / PCM
U0140 Lost Communication with Main Body ECU
U0155 Lost Communication with Combination Meter
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2022 - 03/2023]

DTC Code Description
B2271-11 IG Circuit Short to Ground
B2274-11 ACC Circuit Short to Ground
B2278-62 Engine/Power Switch Signal Compare Failure
B2282-31 Vehicle Speed Signal Circuit Open
B2282-62 Vehicle Speed Signal Compare Failure
B2285-62 Steering Lock Position Signal Compare Failure
B228B-00 Battery Circuit or Ground Circuit Energization Malfunction
B277A-96 Wireless Starter Component Internal Failure
B2781-96 Steering Lock System Component Internal Failure
B2782-11 Power Source Control System Circuit Short to Ground
B2782-15 Power Source Control System Circuit Short to Battery or Open
B2784-1C Antenna Coil Circuit Voltage Out of Range
B278D-96 ID-BOX Component Internal Failure
B278E-87 Immobiliser Amp Missing Message
B2790-46 ID-BOX Calibration / Parameter Memory Failure
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C-95 Engine Immobiliser System Incorrect Assembly
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range
B27A5-13 Front Floor Electrical Key Oscillator Circuit Open
B27A7-13 Rear Floor 2 Electrical Key Oscillator Circuit Open
P0335-62 Crankshaft Position Sensor "A" Signal Compare Failure
P0571-62 Brake Switch "A" Signal Compare Failure
U0100-87 Lost Communication With ECM/PCM "A" Missing Message
U0140-87 Lost Communication with Body Control Module Missing Message
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0163-87 Lost Communication with Navigation Control Module Missing Message
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message
U1117-87 Lost Communication with Accessory Gateway Missing Message
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [03/2023 - 09/2024]

DTC Code Description
B2271-11 IG Circuit Short to Ground
B2274-11 ACC Circuit Short to Ground
B2278-62 Engine/Power Switch Signal Compare Failure
B2282-31 Vehicle Speed Signal Circuit Open
B2282-62 Vehicle Speed Signal Compare Failure
B2285-62 Steering Lock Position Signal Compare Failure
B228B-00 Battery Circuit or Ground Circuit Energization Malfunction
B277A-96 Wireless Starter Component Internal Failure
B2781-96 Steering Lock System Component Internal Failure
B2782-11 Power Source Control System Circuit Short to Ground
B2782-15 Power Source Control System Circuit Short to Battery or Open
B2784-1C Antenna Coil Circuit Voltage Out of Range
B278D-96 ID-BOX Component Internal Failure
B278E-87 Immobiliser Amp Missing Message
B2790-46 ID-BOX Calibration / Parameter Memory Failure
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C-95 Engine Immobiliser System Incorrect Assembly
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range
B27A5-13 Front Floor Electrical Key Oscillator Circuit Open
B27A7-13 Rear Floor 2 Electrical Key Oscillator Circuit Open
P0335-62 Crankshaft Position Sensor "A" Signal Compare Failure
P0571-62 Brake Switch "A" Signal Compare Failure
U0100-87 Lost Communication With ECM/PCM "A" Missing Message
U0140-87 Lost Communication with Body Control Module Missing Message
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0163-87 Lost Communication with Navigation Control Module Missing Message
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message
U1117-87 Lost Communication with Accessory Gateway Missing Message
SMART KEY SYSTEM (FOR START FUNCTION, GASOLINE MODEL) DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [09/2024 - ]

DTC Code Description
B2271-11 IG Circuit Short to Ground
B2274-11 ACC Circuit Short to Ground
B2278-62 Engine/Power Switch Signal Compare Failure
B2282-31 Vehicle Speed Signal Circuit Open
B2282-62 Vehicle Speed Signal Compare Failure
B2285-62 Steering Lock Position Signal Compare Failure
B228B-00 Battery Circuit or Ground Circuit Energization Malfunction
B277A-96 Wireless Starter Component Internal Failure
B2781-96 Steering Lock System Component Internal Failure
B2782-11 Power Source Control System Circuit Short to Ground
B2782-15 Power Source Control System Circuit Short to Battery or Open
B2784-1C Antenna Coil Circuit Voltage Out of Range
B278D-96 ID-BOX Component Internal Failure
B278E-87 Immobiliser Amp Missing Message
B2790-46 ID-BOX Calibration / Parameter Memory Failure
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid
B279A-12 Engine Immobiliser System Circuit Short to Battery
B279C-95 Engine Immobiliser System Incorrect Assembly
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range
B27A5-13 Front Floor Electrical Key Oscillator Circuit Open
B27A7-13 Rear Floor 2 Electrical Key Oscillator Circuit Open
P0335-62 Crankshaft Position Sensor "A" Signal Compare Failure
P0571-62 Brake Switch "A" Signal Compare Failure
U0100-87 Lost Communication With ECM/PCM "A" Missing Message
U0140-87 Lost Communication with Body Control Module Missing Message
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module
U0163-87 Lost Communication with Navigation Control Module Missing Message
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message
U1117-87 Lost Communication with Accessory Gateway Missing Message
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