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


DTC 15 (-/B1601)	PCM received incorrect ID number from key (transponder).
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


STEP	INSPECTION		ACTION
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.
1		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.
2		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])
3		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])
4		No	DTC troubleshooting completed.

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