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DTC Inspection Priority Chart

If multiple DTCs are detected simultaneously, check them one by one depending on the following DTC inspection priority chart.

Priority Detected items (DTC)
1 U1223: CONFIG UNFINISH
2
  • U1000: CAN COMM CIRCUIT
  • U1010: CONTROL UNIT (CAN)
3
  • B1F01: ENG SPEED SIG ERROR
  • U1240: SWITCH CONN
  • U1249: AUDIO H/U CONN
  • U124E: AMP CONN
  • U1267: CGW connection
4
  • U121F: DISPLAY CONTROL UNIT
  • U1233: NAVI CONTROL UNIT
  • U1234: AV CONTROL UNIT
  • U1300: AV COMM CIRCUIT
  • U1310: CONTROL UNIT (AV)
5
  • U1231: AMP TEMP
  • U1232: ST ANGLE SEN CALIB
  • U1244: GPS ANTENNA CONN
  • U1258: XM ANTENNA CONN
  • U125D: DVD NAVI CONN
  • U1266: TCU CONN
  • U12BA: MULTIFUNCTION SWITCH CONN
  • U12BE: RADIO ANTENA CONN
  • U1601: FL-DOOR WOOFER
  • U1603: FL-DOOR TWEETER
  • U1609: FR-DOOR WOOFER
  • U160B: FR-DOOR TWEETER
  • U162A: F-INST C-SQUAWK
  • U1708: RL-DOOR SPEAKER
  • U1710: RR-DOOR SPEAKER
  • U1752: RL-PILLAR SQUAWK
  • U175A: RR-PILLAR SQUAWK
  • U175D: R-LUGGAGE L-WOOFER
  • U1765: R-LUGGAGE R-WOOFER