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

id0902i8915800

DTC 21 (B1213/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 following PID/DATA monitor with SST (WDS or equivalent). - NUMKEYS • Is NUMKEYS displayed 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 [WITH ADVANCED KEYLESS SYSTEM])
No | • Erase key ID numbers and register necessary key ID numbers. • Go to next step.
2 | INSPECT KEYLESS CONTROL MODULE • Turn the ignition switch to the ON position. • Is the DTC displayed? - Security light: 21 - WDS or equivalent: B1213 | Yes | Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM])
No | DTC troubleshooting completed.