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SECURITY LIGHT: DTC 21 (WDS: DTC B1213)

id0902e4632700

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

Diagnostic procedure

Step | Inspection | Action
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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.)
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.)
No | Troubleshooting is completed.