Intermittent failure, the system is OK at this time.?
B1052
DTC Troubleshooting: B1051, B1052
DTC B1051:
Relay Control Module Internal Error (CPU error)
DTC B1052:
Relay Control Module Internal Error (EEPROM error)
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC B1051 or B1052 indicated?
YES -
Faulty relay control module, replace the under-hood fuse/relay box See: Maintenance/Fuses and Circuit Breakers/Fuse Block/Service and
Repair/Under-Hood Fuse/Relay Box Removal and Installation.?
NO -
Intermittent failure, the system is OK at this time.?
B1055
DTC Troubleshooting: B1055, B1056, B1057
DTC B1055:
Relay Control Module Lost Communication with MICU (MICU Message)
DTC B1056:
Relay Control Module Lost Communication with MICU (ALARM Message)
DTC B1057:
Relay Control Module Lost Communication with MICU (DOORSW Message)
NOTE: If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A See: Powertrain
Management/Computers and Control Systems/Information Bus/Testing and Inspection/Component Tests and General Diagnostics/Troubleshooting
- B-CAN System Diagnosis Test Mode A.
1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0) and then back to ON (II).
3. Wait for at least 6 seconds.
4. Check for DTCs with the HDS.
Is DTC B1055, B1056, or B1057 indicated?
