LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2021 >> Mirai XLE >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Smart Key System (For Start, W/O Front Lidar Sensor) - Diagnostics - Introduction) >> SMART KEY SYSTEM (for Start Function, without Front LiDAR Sensor) >> Diagnostic Trouble Code Chart [12/2023 - ] >> Diagnostic Trouble Code Chart [12/2023 - ]
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Diagnostic Trouble Code Chart [12/2023 - ]

WARNING: This page is about a different car, the 2024 Toyota Mirai. However, it is still accessible from the selected car via links, so may be relevant.
SMART KEY SYSTEM (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 [12/2023 - ]
B2274-11 ACC Circuit Short to Ground Power Source Control A Refer to DTC B2274-11: ACC Circuit Short to Ground [12/2023 - ]
B2275-11 Starter Circuit Short to Ground Power Source Control B Refer to DTC B2275-11: Starter Circuit Short to Ground; DTC B2275-12: Starter Circuit Short to Battery [12/2023 - ]
B2275-12 Starter Circuit Short to Battery Power Source Control B Refer to DTC B2275-11: Starter Circuit Short to Ground; DTC B2275-12: Starter Circuit Short to Battery [12/2023 - ]
B2278-62 Engine/Power Switch Signal Compare Failure Power Source Control A Refer to DTC B2278-62: Engine/Power Switch Signal Compare Failure [12/2023 - ]
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 [12/2023 - ]
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 [12/2023 - ]
B2285-62 Steering Lock Position Signal Compare Failure Power Source Control B Refer to DTC B2285-62: Steering Lock Position Signal Compare Failure [12/2023 - ]
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 [12/2023 - ]
B277A-96 Wireless Starter Component Internal Failure Smart Key A Refer to DTC B277A-96: Wireless Starter Component Internal Failure [12/2023 - ]
B2781-96 Steering Lock System Component Internal Failure Smart Key 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 [12/2023 - ]
B2782-11 Power Source Control System Circuit Short to Ground Smart Key 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 [12/2023 - ]
B2782-15 Power Source Control System Circuit Short to Battery or Open Smart Key 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 [12/2023 - ]
B2784-1C Antenna Coil Circuit Voltage Out of Range Smart Key A Refer to DTC B2784-1C: Antenna Coil Circuit Voltage Out of Range [12/2023 - ]
B278D-96 ID-BOX Component Internal Failure Smart Key A Refer to DTC B278D-96: ID-BOX Component Internal Failure [12/2023 - ]
B278E-87 Immobiliser Amp Missing Message Smart Key A Refer to DTC B278E-87: Immobiliser Amp Missing Message [12/2023 - ]
B2790-46 ID-BOX Calibration / Parameter Memory Failure Smart Key A Refer to DTC B2790-46: ID-BOX Calibration / Parameter Memory Failure [12/2023 - ]
B2799-86 Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid Hybrid Control A Refer to DTC B2799-86: Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid [12/2023 - ]
B279A-12 Engine Immobiliser System Circuit Short to Battery Hybrid Control A Refer to DTC B279A-12: Engine Immobiliser System Circuit Short to Battery [12/2023 - ]
B279C-95 Engine Immobiliser System Incorrect Assembly Hybrid Control A Refer to DTC B279C-95: Engine Immobiliser System Incorrect Assembly [12/2023 - ]
B279F-1C Steering Lock Confirmation Signal Circuit Voltage Out of Range Smart Key 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 [12/2023 - ]
B27A5-13 Front Floor Electrical Key Oscillator Circuit Open Smart Key A Refer to DTC B27A5-13: Front Floor Electrical Key Oscillator Circuit Open [12/2023 - ]
B27A6-13 Rear Floor Electrical Key Oscillator Circuit Open Smart Key A Refer to DTC B27A6-13: Rear Floor Electrical Key Oscillator Circuit Open [12/2023 - ]
P0571-62 Brake Switch "A" Signal Compare Failure Power Source Control A Refer to DTC P0571-62: Brake Switch "A" Signal Compare Failure [12/2023 - ]
U0100-87 Lost Communication With ECM/PCM "A" Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0129-87 Lost Communication with Brake System Control Module "A" Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0140-87 Lost Communication with Body Control Module Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0155-87 Lost Communication with Instrument Panel Cluster (IPC) Control Module Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0163-87 Lost Communication with Navigation Control Module Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0230-87 Lost Communication with Rear Gate Module Missing Message Smart Key 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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U0293-87 Lost Communication with Hybrid/EV Powertrain Control Module Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U1110-87 Lost Communication with Intuitive Parking Assist Module Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
U1117-87 Lost Communication with Accessory Gateway Missing Message Smart Key
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 U0293-87: Lost Communication with Hybrid/EV Powertrain 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 [12/2023 - ]
scientia non olet · About LEMON Manuals