DTC Inspection Priority Chart

WARNING: This page is about a different car, the 2021 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	U1A35-83 BRAKE CONTROL COMM
3	C1BBD-45 VARIANT CODING
4	C1B92-82 BRAKE CONTROL SYSTEM C1B96-82 ADAS SYSTEM C1B98-64 ADAS SYSTEM C1BA6-82 AV SYSTEM
5	C1BB5-C1 IGN POWER SUPPLY C1BB6-17 IGN POWER SUPPLY
6	C1B99-52 CONTROL MODULE C1BB2-44 CONTROL MODULE C1BB3-44 CONTROL MODULE C1BB4-49 CONTROL MODULE C1BB7-49 CONTROL MODULE C1BB8-49 CONTROL MODULE C1BB9-49 CONTROL MODULE C1BBA-47 CONTROL MODULE C1BBB-49 CONTROL MODULE C1BBC-44 CONTROL MODULE