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SECURITY LIGHT: DTC 15 (WDS OR EQUIVALENT: DTC -/B1601)

id0902i8915400

DTC 15 (-/B1601) | PCM received incorrect ID number from key (transponder).
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POSSIBLE CAUSE | • No keys have been registered after installation of new PCM • Unregistered key detected • Attempt made to register a ninth key Note • A maximum of only eight keys can be registered for a single vehicle. • Defective keyless control module • Defective PCM

Diagnostic procedure

STEP | INSPECTION | ACTION
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1 | VERIFY REGISTERED KEY IN PCM • Check following PID/DATA monitor using SST (WDS or equivalent). - NUMKEYS • Is NUMKEYS displayed more than 2? | Yes | Go to next step.
No | Go to Step 3.
2 | VERIFY REGISTERED KEY IN PCM • Check following PID/DATA monitor using SST (WDS or equivalent). - NUMKEYS • Is NUMKEYS displayed more than 8? | Yes | • Erase key ID number using SST (WDS or equivalent) and register key ID number. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [WITH ADVANCED KEYLESS SYSTEM]) • Go to next step.
No | Go to next step.
3 | INSPECT COIL ANTENNA INPUT SIGNAL CIRCUIT • Connect coil antenna connector. • Turn ignition switch to ON position. • Is there continuity between the following terminals? - 2Y-B - 2AA-A | Yes | Replace coil antenna, then go to the next step. (See COIL ANTENNA REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS SYSTEM])
No | Repair wiring harness.
4 | INSPECT KEYLESS CONTROL MODULE • Turn the ignition switch to the ON position. • Is the DTC displayed? - Security light: 15 - WDS or equivalent: -/B1601 | Yes | Replace keyless control module, then go to the next step. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [WITH ADVANCED KEYLESS SYSTEM])
No | DTC troubleshooting completed.