SECURITY LIGHT: 15, DTC: B1601/P1260/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5002100

SECURITY LIGHT: 15 | The instrument cluster has detected unregistered key ID number
DTC: B1601/P1260/P1260:00
DETECTION CONDITION | The instrument cluster has detected unregistered key ID number
POSSIBLE CAUSE | • No keys have been registered after replacing the instrument cluster • Unregistered key used • Attempt made to register a ninth key • Instrument cluster malfunction

Diagnostic Procedure

STEP | INSPECTION | ACTION
--- | --- | ---
1 | VERIFY NUMBER OF REGISTERED KEYS • Using the M-MDS, perform the PID/data monitor inspection and confirm the number of registered keys. (See PID/DATA MONITOR TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) • Are one or more keys registered? | Yes | Go to the next step.
No | Go to Step 3.
2 | VERIFY NUMBER OF REGISTERED KEYS • Using the M-MDS, perform the PID/data monitor inspection and confirm the number of registered keys. (See PID/DATA MONITOR TABLE [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].) • Are eight keys registered? | Yes | Using the M-MDS, clear the key ID numbers as necessary, then go to the next step.
No | Go to the next step.
3 | INSPECT INSTRUMENT CLUSTER • Using the M-MDS, register the key ID number. (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].) Note • Two or more keys must be registered to start the engine. • Using the registered key, turn the ignition switch to the ON position. • Is the DTC displayed again? ― Security light: 15 ― M-MDS: B1601/P1260/P1260:00 | Yes | Replace the instrument cluster and perform the resetting procedure for the immobilizer system when replacing the instrument cluster. (See INSTRUMENT CLUSTER REMOVAL/INSTALLATION.) (See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING [KEYLESS ENTRY SYSTEM].)
No | DTC troubleshooting completed.