DTC Inspection Priority Chart

WARNING: This page is about a different car, the 2019 Infiniti Q50. 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	U1000-00 CAN COMM CIRCUIT U1010-49 CONTROL UNIT (CAN)
2	U1A31-00 DAST COMM U1A35-00 BRAKE CONTROL COMM U1A3E-00 ADAS COMM
3	C1BBD-00 VARIANT CODING
4	C1B90-00 DAST SYSTEM C1B91-00 CAMERA SYSTEM C1B92-00 BRAKE CONTROL SYSTEM C1B93-00 ENGINE/HEV SYSTEM C1B94-00 TM SYSTEM C1B96-00 ADAS SYSTEM C1BA6-00 AV SYSTEM C1BA7-00 ALC SYSTEM C1BA9-00 NP RANGE C1BAA-00 GEAR POSITION C1BAB-00 STOP LAMP SW C1BAC-00 OPERATION SW CIRC C1BAD-00 ACCELERATER PEDAL C1BAE-00 ACCELERATER PEDAL C1BAF-00 BSW SYSTEM C1BB0-06 DR BUZZER SYSTEM C1BBE-11 Front right shock absorber circuit C1BBE-12 Front right shock absorber circuit C1BBE-19 Front right shock absorber circuit C1BBE-1D Front right shock absorber circuit C1BBE-39 Front right shock absorber circuit C1BBE-64 Front right shock absorber circuit C1BBF-11 Front left shock absorber circuit C1BBF-12 Front left shock absorber circuit C1BBF-19 Front left shock absorber circuit C1BBF-1D Front left shock absorber circuit C1BBF-39 Front left shock absorber circuit C1BBF-64 Front left shock absorber circuit C1BC0-00 FR WHEEL SENSOR C1BC1-00 FL WHEEL SENSOR C1BC7-11 Rear right shock absorber circuit C1BC7-12 Rear right shock absorber circuit C1BC7-19 Rear right shock absorber circuit C1BC7-1D Rear right shock absorber circuit C1BC7-39 Rear right shock absorber circuit C1BC7-64 Rear right shock absorber circuit C1BC8-11 Rear left shock absorber circuit C1BC8-12 Rear left shock absorber circuit C1BC8-19 Rear left shock absorber circuit C1BC8-1D Rear left shock absorber circuit C1BC8-39 Rear left shock absorber circuit C1BC8-64 Rear left shock absorber circuit
5	C1BB5-00 IGN POWER SUPPLY C1BB6-00 IGN POWER SUPPLY
6	C1B99-00 CONTROL MODULE C1BB2-00 CONTROL MODULE C1BB3-00 CONTROL MODULE C1BB4-00 CONTROL MODULE C1BB7-00 CONTROL MODULE C1BB8-00 CONTROL MODULE C1BB9-00 CONTROL MODULE C1BBA-00 CONTROL MODULE C1BBB-00 CONTROL MODULE C1BBC-00 CONTROL MODULE