DTC B1051: Relay Control Module Internal (CPU) Error; DTC B1052: Relay Control Module Internal (EEPROM) Error
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0), and then back ON (II).
- Wait for 6 seconds or more.
- 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.