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Home >> Cadillac >> 1998 >> DeVille Base >> Repair and Diagnosis >> Accessories & Equipment >> Memory Modules >> Memory System >> TESTING - MEMORY MIRROR MODULE (MMM) DIAGNOSTIC TROUBLE CODES (DTCs) >> DTC B2130-B2133: Memory Key Failed >> Diagnostic Procedures
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Diagnostic Procedures

  1. Turn ignition off. Connect scan tool to Data Link Connector (DLC). Disconnect memory function switch. Using scan tool, clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES (DTCS)  under SELF-DIAGNOSTICS. After 30 seconds, check for DTCs. See RETRIEVING DIAGNOSTIC TROUBLE CODES (DTCS)  under SELF-DIAGNOSTICS. If DTC is reset, go to next step. If DTC is not reset, go to step 3).
  2. Repair short to ground in appropriate wire. See appropriate table under DIAGNOSTIC TROUBLE CODES (DTCS)  under SELF-DIAGNOSTICS. See WIRING DIAGRAMS  . Go to step 4).
  3. Replace memory function switch. Recheck system operation.
  4. Clear DTCs. See CLEARING DIAGNOSTIC TROUBLE CODES (DTCS)  under SELF-DIAGNOSTICS. Reinstall and reconnect all components and connectors. Recheck system operation.
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