FixVault

Smart Junction Box (SJB) DTC List

Smart Junction Box (SJB) DTC List

DTC Description Action
B106C Tire Pressure Monitor System (TPMS  ) Low Frequency Subsystem Fault DISREGARD the DTC. It is not applicable to this vehicle. The Smart Junction Box (SJB) may be incorrectly configured or the SJB  may be at fault. CHECK the configuration of the SJB  . CLEAR the DTCs. REPEAT the self-test. REFER to MODULE CONFIGURATION .
B106E Solid State Driver Disabled Due to Short Circuit GO to PINPOINT TEST A .
B106F Module Disabled Due to External Fault GO to PINPOINT TEST A .
B1317 Battery Voltage High GO to PINPOINT TEST B .
B1318 Battery Voltage Low GO to PINPOINT TEST C .
B1342 ECU  is Faulted CLEAR the DTCs. REPEAT the self-test. If DTC B1342 is retrieved again, INSTALL a new SJB  . REFER to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.
B2477 Module Configuration Failure REFER to MODULE CONFIGURATION .
C2780 ECU  in Manufacturer Sub-State
NOTE: If DTC B2477 is also present, refer to the Action for DTC B2477 in this DTC chart.
This DTC is only present when a new SJB  is installed, or the SJB is configured. REFER to WHEELS & TIRES to carry out the Tire Pressure Monitoring System (TPMS) Sensor Training, then CARRY OUT the SJB  self-test to clear this DTC.
P062F Internal Control Module EEPROM  Error CLEAR the DTCs. REPEAT the self-test. If DTC P062F is retrieved again, INSTALL a new SJB  . REFER to SMART JUNCTION BOX (SJB) .
U0155 Lost Communication With Instrument Panel Cluster (IC  ) Control Module GO to PINPOINT TEST D .
U2050 No Application Present CONFIGURE the SJB  . REFER to MODULE CONFIGURATION . CLEAR the DTCs. REPEAT the self-test. If DTC U2050 is retrieved again, INSTALL a new SJB  . REFER to SMART JUNCTION BOX (SJB) . TEST the system for normal operation.
U2473 Unexpected Vehicle Speed (VSS  ) Sets during the self-test if the vehicle speed exceeds 5 km/h (3 mph), or if the vehicle speed cannot be determined.
All other DTCs - REFER to DIAGNOSTIC TROUBLE CODE (DTC) CHART .