SECURITY LIGHT: DTC 21 (WDS OR EQUIVALENT: DTC B1213)


DTC 21 (B1213)	Number of valid keys is below minimum.
POSSIBLE CAUSE	• Less than two valid keys


STEP	INSPECTION		ACTION
1	VERIFY NUMBER OF VALID KEYS • Check following PID/DATA monitor with SST (WDS or equivalent). - NUMKEYS • Does NUMKEYS display more than 2? Note • Two or more valid keys are necessary to start engine.	Yes	Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE [KEYLESS ENTRY SYSTEM])
1		No	• Erase key ID numbers and register necessary key ID numbers. • Go to next step.
2	VERIFY DTC • Does security light or SST (WDS or equivalent) indicate DTC 21 (B1213) again?	Yes	Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE [KEYLESS ENTRY SYSTEM])
2		No	Troubleshooting is completed.

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