B1052

DTC B1051: Relay Control Module Internal (CPU) Error

DTC B1052: Relay Control Module Internal (EEPROM) Error

1. Clear the DTCs with the HDS.
2. Turn the ignition switch to LOCK (0), and then back ON (II).
3. Wait for 6 seconds or more.
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.

NO - Intermittent failure, the system is OK at this time.