PRE-CRASH SAFETY SYSTEM DIAGNOSTIC TROUBLE CODE CHART

Tech Tips

If the normal codes for the pre-crash safety system and CAN communication system are output but the following problem symptoms are present, perform the malfunction diagnosis by following the "Suspected Area" procedures below.

Pre-crash Safety System
DTC Code	Detection Item	See page
B2015	Open in Right Side Upper MOS	Click here
B2016	Open in Right Side Lower MOS	Click here
B2020	Open in Left Side Upper MOS	Click here
B2021	Open in Left Side Lower MOS	Click here
B2025	Right Side Current Detection Circuit Malfunction Hi	Click here
B2026	Right Side Current Detection Circuit Malfunction Lo	Click here
B2027	Right Side Over-Current Malfunction	Click here
B2030	Left Side Current Detection Circuit Malfunction Hi	Click here
B2031	Left Side Current Detection Circuit Malfunction Lo	Click here
B2032	Left Side Over-Current Malfunction	Click here
B2035	Power Supply Relay Adherence Malfunction	Click here
B2036	Power Supply Relay Malfunction Open	Click here
B2040	EEPROM Malfunction	Click here
B2041	Fall of Raised Voltage	Click here
B2043	Fall of B+ Voltage	Click here
B2047	Seat Belt Control ECU Inner Circuit Malfunction	Click here
B2000	Short to B+ in Seat Belt Motor RH Circuit	Click here
B2001	Short to GND in Seat Belt Motor RH Circuit	Click here
B2002	Open in Seat Belt Motor RH Circuit	Click here
B2005	Short to B+ in Seat Belt Motor LH Circuit	Click here
B2006	Short to GND in Seat Belt Motor LH Circuit	Click here
B2007	Open in Seat Belt Motor LH Circuit	Click here
B2060	ABS Malfunction	Click here
B2064	Vehicle Type Signal Malfunction	Click here
B2074	Driver Side Seat Belt Buckle Switch Circuit Malfunction	Click here
B2075	Passenger Side Seat Belt Buckle Switch Circuit Malfunction	Click here
B2085	Communication Error from Driving Support ECU to VSC ECU	Click here
B2090	Driving Support System Malfunction	Click here
C1A01	Driving Support ECU	Click here
C1A02	Vehicle Information Not Obtained	Click here
C1A0A	Front Radar Sensor Region Code Mismatch	Click here
C1A0C	Object Recognition Camera Region Code Mismatch	Click here
C1A10	Front Radar Sensor	Click here
C1A11	Front Radar Sensor Incorrect Axial Gap	Click here
C1A14	Front Radar Sensor Beam Axis Not Adjusted	Click here
C1A20	Object Recognition ECU	Click here
C1A22	Object Recognition Camera Incorrect Axial Gap	Click here
C1A23	Object Recognition Camera Initialization Incomplete	Click here
C1A30	Driver Monitor ECU	Click here
C1A31	Driver Monitor Camera	Click here
C1A40	ENG / EHV Device	Click here
C1A41	Brake Request Value Mismatch between ENG / EHV and Driving Support ECU	Click here
C1A46	Yaw Rate Sensor	Click here
C1A47	Steering Angle Sensor	Click here
C1A4A	Skid Control Buzzer Circuit	Click here
C1A4B	Stop Light Relay Circuit	Click here
C1A50	Brake System	Click here
U0125	Lost Communication with Yaw Rate Sensor Module	Click here
U0126	Lost Communication with Steering Angle Sensor Module	Click here
U0129	Lost Communication with Brake System Control Module	Click here
U0140	Lost Communication with J/B ECU	Click here
U0142	Lost Communication with Body Control Module "B"	Click here
U0151	Lost Communication with Airbag ECU	Click here
U0235	Lost Communication with Cruise Control Front Distance Range Sensor	Click here
U0293	Lost Communication with Hybrid Control Module	Click here
U1002	Lost Communication with Gateway Module	Click here
U1100	Lost Communication with Seat Belt Control ECU	Click here
U1104	Lost Communication with Driving Support ECU	Click here
U1119	Lost Communication with Object Recognition ECU (CAN)	Click here
U1121	Lost Communication with Driver Monitor ECU	Click here