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Diagnostic Trouble Code Chart

If a DTC is displayed, check the circuit for that code listed in the table below.

POWER TILT AND POWER TELESCOPIC STEERING COLUMN: 

DIAGNOSTIC TROUBLE CODE CHART

DTC Code Detection Item Trouble Area
B2602  Key Unlock Warning Switch Circuit Malfunction
  1. CAN communication system
  2. Smart access system with push-button start
  3. Multiplex tilt and telescopic ECU
B2603  Tilt and Telescopic Manual Switch Circuit Malfunction
  1. Tilt and telescopic manual switch
  2. Tilt and telescopic manual switch circuit
  3. Multiplex tilt and telescopic ECU
B2606  Key Code Confirm Signal Malfunction
  1. CAN communication system
  2. Smart access system with push-button start
  3. Multiplex tilt and telescopic ECU
B2610  Tilt Position Sensor or Tilt Motor Circuit Malfunction
  1. Wire harness or connector
  2. Tilt position sensor or tilt motor
  3. Multiplex tilt and telescopic ECU
B2611  Telescopic Position Sensor or Telescopic Motor Circuit Malfunction
  1. Wire harness or connector
  2. Telescopic position sensor or telescopic motor
  3. Multiplex tilt and telescopic ECU
B2620  ECU Power Source Circuit Malfunction
  1. Battery
  2. Wire harness or connector
  3. Multiplex tilt and telescopic ECU
B2621  Communication Interruption
  1. CAN communication system
  2. Main body ECU
  3. Front power seat switch LH (Position control ECU)
  4. Combination meter assembly
  5. Multiplex tilt and telescopic ECU
B2624  Vehicles Speed Malfunction
  1. CAN communication system
  2. Combination meter assembly
  3. Multiplex tilt and telescopic ECU
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