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DTC Inspection Priority Chart

When multiple DTCs are detected simultaneously, check one by one depending on the following priority list:

Priority

Detected item (DTC)

1

  • C1601-16 BATTERY VOLT
  • C1601-17 BATTERY VOLT
  • C1630-87 CAN COMM CIRCUIT
  • U0073-00 Control module comm bus "A" Off

2

  • C1604-96 TORQUE SENSOR
  • C1606-96 EPS MOTOR
  • C1608-43 CONTROL UNIT
  • C1608-44 CONTROL UNIT
  • C1608-45 CONTROL UNIT
  • C1608-46 CONTROL UNIT
  • C1608-49 CONTROL UNIT
  • C1608-54 CONTROL UNIT
  • C1624-00 Signal connector

3

  • C161A-82 ABS system
  • C161A-83 ABS system
  • C161A-86 ABS system
  • C161B-86 ABS system
  • C161B-87 ABS system
  • C161C-82 ST angle sensor system
  • C161C-83 ST angle sensor system
  • C161C-86 ST angle sensor system
  • C161C-87 ST angle sensor system
  • C161E-86 ABS system
  • C1621-86 BCM system
  • C1621-87 BCM system
  • C1623-87 ECM system
  • C1629-87 IPDM E/R system
  • U2140-87 CAN comm err (ECM)
  • U2148-87 CAN comm err (brake control unit)
  • U214F-87 CAN comm err (BCM)
  • U2156-87 CAN comm err (steering angle sensor)
  • U215B-87 CAN comm err (IPDM E/R)