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SECURITY LIGHT: DTC 14 (WDS: DTC B1602)

id0902e4632500

DTC 14 (B1602) | PCM received invalid format of ID number from key (transponder)
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POSSIBLE CAUSE | • Defective transponder in the key • Defective coil • Defective PCM

Diagnostic procedure

Step | Inspection | Action
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1 | INSPECT FOR OTHER PROPER KEYS • Using any other valid key, turn the ignition switch to the ON position. • If there are no other valid keys, then register an additional key using WDS and turn the ignition switch to the ON position. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.) • Does security light or WDS indicate DTC 14 (B1602) again? | Yes | Replace coil, then go to the next step. (See COIL REMOVAL/INSTALLATION.)
No | • Dispose of defective key. • Duplicate key if necessary. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)
2 | INSPECT PCM • Turn the ignition switch to the ON position with the registered key. • Does security light or WDS indicate DTC 14 (B1602) again? | Yes | Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)
No | Troubleshooting is completed.