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Diagnostic Trouble Code Chart

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code in the table below and proceed to the appropriate article

Pre-Collision System 

DIAGNOSTIC TROUBLE CODE - PRE-COLLISION SYSTEM

DTC Code Detection Item Trouble Area
B2000  Short to B+ in Seat Belt Motor RH Circuit
  1. Front seat outer belt assembly RH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly RH)
  3. Seat belt control ECU
B2001  Short to GND in Seat Belt Motor RH Circuit
  1. Front seat outer belt assembly RH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly RH)
  3. Seat belt control ECU
B2002  Open in Seat Belt Motor RH Circuit
  1. Front seat outer belt assembly RH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly RH)
  3. Seat belt control ECU
B2005  Short to B+ in Seat Belt Motor LH Circuit
  1. Front seat outer belt assembly LH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly LH)
  3. Seat belt control ECU
B2006  Short to GND in Seat Belt Motor LH Circuit
  1. Front seat outer belt assembly LH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly LH)
  3. Seat belt control ECU
B2007  Open in Seat Belt Motor LH Circuit
  1. Front seat outer belt assembly LH
  2. Wire harness (seat belt control ECU - front seat outer belt assembly LH)
  3. Seat belt control ECU
B2015  Open in Right Side Upper MOS
  1. Seat belt control ECU
B2016  Open in Right Side Lower MOS
  1. Seat belt control ECU
B2020  Open in Left Side Upper MOS
  1. Seat belt control ECU
B2021  Open in Left Side Lower MOS
  1. Seat belt control ECU
B2025  Right Side Current Detection Circuit Malfunction Hi
  1. Seat belt control ECU
B2026  Right Side Current Detection Circuit Malfunction Lo
  1. Seat belt control ECU
B2027  Right Side Over-Current Malfunction
  1. Seat belt control ECU
B2030  Left Side Current Detection Circuit Malfunction Hi
  1. Seat belt control ECU
B2031  Left Side Current Detection Circuit Malfunction Lo
  1. Seat belt control ECU
B2032  Left Side Over-Current Malfunction
  1. Seat belt control ECU
B2035  Power Supply Relay Adherence Malfunction
  1. Seat belt control ECU
B2036  Power Supply Relay Malfunction Open
  1. Seat belt control ECU
B2040  EEPROM Malfunction
  1. Seat belt control ECU
B2041  Fall of Raised Voltage
  1. Seat belt control ECU
B2043  Fall of B+ Voltage
  1. Seat belt control ECU
B2047  Seat Belt Control ECU Inner Circuit Malfunction
  1. Seat belt control ECU
B2055  Radar Sensor Malfunction
  1. CAN communication system
  2. Millimeter wave radar sensor
  3. Seat belt control ECU
B2056  Axial Gap of Radar Sensor
  1. CAN communication system
  2. Millimeter wave radar sensor (axial adjustment)
  3. Seat belt control ECU
B2057  Yaw Rate Sensor
  1. CAN communication system
  2. Yaw rate and acceleration sensor
  3. Seat belt control ECU
B2058  Steering Angle Sensor
  1. CAN communication system
  2. Steering angle sensor
  3. Seat belt control ECU
B2059  Vehicle Speed Malfunction
  1. CAN communication system
  2. Combination meter assembly
  3. ECM
  4. Skid control ECU
  5. Distance control ECU
  6. Seat belt control ECU
B2060  ABS Malfunction
  1. CAN communication system
  2. Skid control ECU
  3. Seat belt control ECU
B2063  Buckle Switch Malfunction
  1. Front seat inner belt assembly RH
  2. Front seat inner belt assembly LH
  3. Harness and connector
  4. Floor wire
  5. Seat belt control ECU
  6. Center airbag sensor
  7. Occupant classification ECU
  8. CAN communication system
B2064  Vehicle Type Signal Malfunction
  1. Gateway ECU
  2. Seat belt control ECU
B2065  Distance Control ECU Malfunction
  1. Distance control ECU
  2. Seat belt control ECU
U0100  Lost Communication with ECM / PCM "A"
  1. CAN communication system
  2. ECM
  3. Distance control ECU
U0122  Lost Communication with Vehicle Dynamics Control Module
  1. CAN communication system
  2. Skid control ECU
  3. Seat belt control ECU
U0146  Lost Communication with Gateway "A"
  1. CAN communication system
  2. Gateway ECU
  3. Seat belt control ECU
U0151  Lost Communication with Airbag ECU
  1. CAN communication system
  2. Center airbag sensor assembly
  3. Seat belt control ECU
U0235  Lost Communication with Cruise Control Front Distance Range Sensor
  1. CAN communication system
  2. Millimeter wave radar sensor
  3. Distance control ECU
U1101  Lost Communication with Distance Control ECU
  1. CAN communication system
  2. Distance control ECU
  3. Seat belt control ECU
U1102  Lost Communication with Radar Sensor
  1. CAN communication system
  2. Millimeter wave radar sensor
  3. Distance control ECU
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