#
SECURITY LIGHT: DTC 15 (WDS OR EQUIVALENT: DTC B1601)

id0902e5915600

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 PCM

Diagnostic procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY REGISTERED KEY IN PCM • Check following PID/DATA monitor using SST (WDS or equivalent). - NUMKEYS • Does NUMKEYS display more than 0? | 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 • Does NUMKEYS display more than 8? | Yes | • Erase key ID number using SST (WDS) and register key ID number. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE [KEYLESS ENTRY SYSTEM]) • Go to next step.
No | Go to next step.
3 | INSPECT PCM • Erase key ID number using SST (WDS) and register key ID number. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE [KEYLESS ENTRY SYSTEM]) • Using registered key, turn ignition switch to ON position. • Does security light or SST (WDS or equivalent) indicate DTC 15 (B1601) again? | Yes | Replace PCM and reprogram immobilizer system. (See IMMOBILIZER SYSTEM REPROGRAM PROCEDURE [KEYLESS ENTRY SYSTEM])
No | Troubleshooting is completed.