LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Subaru >> 2012 >> Tribeca Limited >> Repair and Diagnosis >> Quick Lookups >> DTC Index >> LAN Communication System DTCS
April 5, 2026: LEMON Manuals is launched! Read the announcement.

LAN Communication System DTCS

LAN COMMUNICATION DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Reference
B1100 Body integrated unit internal error Refer to DTC B1100 INTEG. UNIT SYSTEM ERROR , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1101
  • Open or short in battery power supply control circuit
  • Voltage malfunction caused by poor contact
Refer to DTC B1101 BATT P/SUPPLY MALFUNCTION CONT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1102 Voltage malfunction caused by poor contact of battery power supply backup circuits Refer to DTC B1102 BATT P/SUPPLY MALFUNCTION BACKUP , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1103 Voltage malfunction caused by poor contact of IGN power supply circuits Refer to DTC B1103 IGNITION POWER FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1104 Voltage malfunction caused by poor contact of ACC power supply circuits Refer to DTC B1104 ACC POWER FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1105 Ground short of key interlock circuit Refer to DTC B1105 KEY INTERLOCK CIRCUIT ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1106 Open or short in shift lock circuit Refer to DTC B1106 SHIFT LOCK CIRCUIT FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1201 Communication is unstable because of high speed CAN communication error. Refer to DTC U1201 CAN-HS COUNTER ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1202 Integrated unit communication is shut down because of high speed CAN communication error. Refer to DTC U1202 CAN-HS BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1211 Received error data from ECM. Refer to DTC U1211 CAN-HS ECM DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1212 Received error data from TCM. Refer to DTC U1212 CAN-HS TCM DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1213 Received error data from VDC/ABS module. Refer to DTC U1213 CAN-HS VDC/ABS DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1221 Not received data from ECM. Refer to DTC U1221 CAN-HS ECM NO-RECEIVE DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1222 Not received data from TCM. Refer to DTC U1222 CAN-HS TCM NO-RECEIVE DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1223 Not received data from VDC/ABS CM. Refer to DTC U1223 CAN-HS VDC/ABS NO-RECEIVE DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1300 Open or short in low speed CAN circuit Refer to LAN(diag)-62, DTC U1300 CAN-LS MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1301 Communication is unstable because of low speed CAN communication error. Refer to DTC U1301 CAN-LS COUNTER ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1302 Integrated unit communication is shut down because of low speed CAN communication error. Refer to DTC U1302 CAN-LS BUS OFF , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1311 Received error data from meter. Refer to DTC U1311 CAN-LS METER UNIT DATA ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
U1321 Not received data from meter. Refer to DTC U1321 CAN-LS METER NO-RECEIVE DATA , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1401 Malfunction related immobilizer Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) List of Diagnostic Trouble Code (DTC).
B1402 Malfunction related immobilizer Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) List of Diagnostic Trouble Code (DTC).
B1403 Malfunction related immobilizer Refer to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) List of Diagnostic Trouble Code (DTC).
B1500 Open or short circuit in keyless UART circuit Refer to DTC B1500 KEYLESS UART COM. MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).