SECURITY LIGHT: DTC 21 (WDS: 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 the following PID/DATA monitor with WDS: - NUMKEYS • Does NUMKEYS display more than 2? Note • To start the engine, two or more keys need to be registered.	Yes	Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)
1		No	• Erase key ID numbers and register necessary key ID numbers. • Go to the next step.
2	VERIFY DTC • Does security light or WDS indicate DTC 21 (B1213) again?	Yes	Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)
2		No	Troubleshooting is completed.