FixVault

DTC B1657: EEPROM Option Bit/CONFIG Error: Testing

  1. 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.
  2. 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.