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Diagnostic Trouble Code Chart

HINT:

If a trouble code is displayed during the DTC check, inspect the trouble areas listed for that code.

Lighting system: 

LIGHTING SYSTEM

DTC Code Detection Item Trouble Area
B1244  Light Sensor Circuit Malfunction
  • Automatic light control sensor
  • Main body ECU
  • Wire harness
B2402  Transistor Relay Overload Malfunction
  • Rear combination light assembly LH
  • Rear combination light assembly RH
  • Rear light assembly LH
  • Rear light assembly RH
  • Center stop light assembly
  • License plate light assembly
  • Rear junction block ECU
  • Wire harness
B2410  Headlight Swivel Motor LH Communication Malfunction
  • AFS ECU
  • Headlight swivel motor LH
  • Wire harness
B2411  Headlight Swivel Motor RH Communication Malfunction
  • AFS ECU
  • Headlight swivel motor RH
  • Wire harness
B2412  Headlight Swivel Motor LH Malfunction
  • Headlight swivel motor LH
  • Wire harness
  • AFS ECU
B2413  Headlight Swivel Motor RH Malfunction
  • Headlight swivel motor RH
  • Wire harness
  • AFS ECU
B2414  Steering Position Sensor Malfunction
  • Steering angle sensor
  • AFS ECU
B2415  Vehicle Speed Sensor Malfunction
  • Skid control ECU
  • AFS ECU
B2416  Height Control Sensor Malfunction
  • Height control sensor*1
  • Suspension control ECU*2
  • Wire harness
  • AFS ECU
B2417  Headlight Beam Level Control Motor LH Malfunction
  • Headlight leveling motor LH
  • Wire harness
  • AFS ECU
B2418  Headlight Beam Level Control Motor RH Malfunction
  • Headlight leveling motor RH
  • Wire harness
  • AFS ECU
B2420  AFS ECU Malfunction AFS ECU
B2423  AFS ECU Installation Error AFS ECU
B2424  Headlight Leveling Motor LH Communication Malfunction
  • Headlight leveling motor LH
  • Wire harness
  • AFS ECU
B2425  Headlight Leveling Motor RH Communication Malfunction
  • Headlight leveling motor RH
  • Wire harness
  • AFS ECU
B2427  CAN Communication Malfunction
  • CAN communication system
  • AFS ECU
B2429  Steering Wheel Position Undecided
  • Main body ECU
  • AFS ECU
B2480  Headlight Hi LH Circuit Transistor
  • Headlight assembly LH
  • No.1 headlight bulb LH
  • Multiplex network front light ECU (Front controller)
  • Wire harness
B2481  Headlight Hi RH Circuit Transistor
  • Headlight assembly RH
  • No.1 headlight bulb RH
  • Multiplex network front light ECU (Front controller)
  • Wire harness
B2482  Clearance Light Circuit Transistor
  • Headlight assembly
  • Clearance light bulb
  • Multiplex network front light ECU (Front controller)
  • Wire harness
HINT:
*1: w/ Coil suspension
*2: w/ Air suspension
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