DTC B1657: EEPROM Option Bit/CONFIG Error: Testing
- If diagnostic system check was performed, go to next step. If diagnostic system check was not performed, go to INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK under SYSTEM TESTS.
- Replace IPC. Recheck system operation. Turn ignition switch to OFF position. Reinstall all components. Clear DTCs. Go to INSTRUMENT PANEL CLUSTER (IPC) DIAGNOSTIC SYSTEM CHECK under SYSTEM TESTS.