DTC Inspection Priority Chart

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

Priority	Detected item (DTC)
1	U1327-54 MAC key update
2	U1327-52 MAC key update
3	U0076-00 Control module communication Bus D Off U007A-00 Control module communication Bus H Off U2118-87 CAN communication error (Intelligent Key unit) U2140-57 CAN communication error (ECM) U2140-83 CAN communication error (ECM) U2140-87 CAN communication error (ECM) U2141-57 CAN communication error (TCM) U2143-83 CAN communication error (VCM) U2143-87 CAN communication error (VCM) U214F-57 CAN communication error (BCM) U214F-83 CAN communication error (BCM) U214F-87 CAN communication error (BCM) U2152-57 CAN communication error (ADAS control unit) U2152-83 CAN communication error (ADAS control unit) U2152-87 CAN communication error (ADAS control unit) U2154-87 CAN communication error (AV control unit) U215B-83 CAN communication error (IPDM E/R) U215B-87 CAN communication error (IPDM E/R) U2165-57 CAN communication error (sonar control unit) U218B-83 CAN communication error [12 V sub battery (Lithium ion battery)] U218B-87 CAN communication error [12 V sub battery (Lithium ion battery)] U2248-83 CAN communication error [ABS actuator and electric unit (control unit)] U2248-87 CAN communication error [ABS actuator and electric unit (control unit)] U2359-83 CAN communication error (steering unit) U2359-87 CAN communication error (steering unit) U2448-87 CAN communication error [ABS actuator and electric unit (control unit)] U24A6-83 CAN communication error (power network separate relay) U24A6-87 CAN communication error (power network separate relay) U2541-83 CAN communication error (TCM) U2541-87 CAN communication error (TCM) U2675-83 CAN communication error (around view monitor control unit) U2675-87 CAN communication error (around view monitor control unit) U2A03-88 Communication Bus Off CH-FD U2A0A-88 Communication Bus Off ITS6-FD U2A0B-88 Communication Bus Off CH2-CAN U2A0E-88 Communication Bus Off CH2-FD U2A16-88 CAN Bus Off 6 U2A17-88 CAN Bus Off 7 U2E52-57 CAN communication error (ADAS control unit) U2E52-83 CAN communication error (ADAS control unit) U2E52-87 CAN communication error (ADAS control unit) U2E65-57 CAN communication error (sonar control unit) U2E75-57 CAN communication error (around view monitor control unit)
4	C1B80-54 Calibration not completed C1B81-55 Configuration not completed
5	C1B8B-82 Power network separate relay C1B8C-82 Battery management system C1B8D-82 AVM C1B8F-82 IPDM E/R communication C1B90-82 EPS C1B92-82 Brake control system C1B93-82 Engine/HEV system C1B94-82 TM system C1B96-82 ADAS SYSTEM C1B97-82 BCM
6	C1BB4-44 Control module C1BB4-45 Control module C1BB4-46 Control module C1BB4-49 Control module