DTC Inspection Priority Chart

WARNING: This page is about a different car, the 2020 Infiniti QX50. However, it is still accessible from the selected car via links, so may be relevant.

When multiple DTCs are displayed simultaneously, check them one by one according to the following priority list.

Priority	Detected item (DTC)
1	U1000-01 CAN COMM CIRCUIT U1010-49 CAN COMM CIRCUIT
2	U1A3B-00 TCM COMM U1A3E-83 ADAS COMM U1A34-00 BRAKE CONTROL COMM U1A35-83 BRAKE CONTROL COMM U1A36-00 BCM/IPDM COMM U1A38-83 DAST COMM U1A39-00 COMBINATION METER COMM U1A42-00 STEERING ANGLE SENSOR COMM U1A43-83 STEERING ANGLE SENSOR COMM U1A48-00 ECM/HPCM COMM U1A4E-00 ECM/HPCM COMM
3	C1BBD-00 VARIANT CODING
4	C1BA0-61 ADAS/CHASSIS CTRL BRAKE SYS C1BA2-64 STEERING ANGLE SENSOR C1BA2-86 STEERING ANGLE SENSOR C1BA2-87 STEERING ANGLE SENSOR C1BA5-82 ADAS/CHASSIS CTRL ENGINE SYS C1BA5-86 ADAS/CHASSIS CTRL ENGINE SYS C1BA6-82 AVSYSTEM C1BAB-77 STOP LAMP SW C1BC0-86 FR WHEEL SENSOR C1BC1-86 FL WHEEL SENSOR C1BC2-86 RR WHEEL SENSOR C1BC3-86 RL WHEEL SENSOR C1BC4-86 DECEL G SENSOR C1BC5-86 SIDE G SENSOR C1BC6-86 PRESSURE SENSOR C1B92-82 BRAKE CONTROL SYSTEM C1B92-92 BRAKE CONTROL SYSTEM C1B93-00 ENGINE/HEV SYSTEM C1B93-64 ENGINE/HEV SYSTEM C1B93-82 ENGINE/HEV SYSTEM C1B93-86 ENGINE/HEV SYSTEM C1B94-82 TM SYSTEM C1B94-86 TM SYSTEM C1B96-82 ADAS SYSTEM C1B98-64 ADAS SYSTEM
5	C1BB5-C1 IGN POWER SUPPLY C1BB6-00 IGN POWER SUPPLY
6	C1B95-00 CONTROL MODULE C1B99-52 CONTROL MODULE C1BB2-44 CONTROL MODULE C1BB3-44 CONTROL MODULE C1BB4-49 CONTROL MODULE C1BB7-49 CONTROL MODULE C1BB8-44 CONTROL MODULE C1BB9-49 CONTROL MODULE C1BBA-47 CONTROL MODULE C1BBB-49 CONTROL MODULE C1BBC-44 CONTROL MODULE U1A4A-00 CONTROL UNIT (CAN) U1A4B-00 CONTROL UNIT (CAN)