DTC B1905: Immobilizer Unit Lost Communication With MICU (Door Lock Switch Message)
NOTE:
If you are troubleshooting multiple DTCs be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see
TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Is DTC B1905 indicated?
YES - Faultyimmobilizer-keyless control unit; replace the immobilizer-keyless control unit (see Immobilizer-Keyless Control Unit Replacement ).
NO -Intermittent failure, the immobilizer-keyless control unit is OK at this time. Check for loose or poor connections between the immobilizer-keyless control unit and the MICU.