SECURITY LIGHT 15, DTC B1601/P1260

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SECURITY LIGHT 15, DTC B1601/P1260

B3E090201077W11

SECURITY LIGHT: 15 | The instrument cluster has detected unregistered key ID number.
DTC: B1601/P1260
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 WDS or equivalent, perform the PID/data monitor inspection and confirm the number of registered keys. (See PID/DATA MONITOR TABLE [IMMOBILIZER 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 WDS or equivalent, perform the PID/data monitor inspection and confirm the number of registered keys. (See PID/DATA MONITOR TABLE [IMMOBILIZER SYSTEM].) • Are eight keys registered? | Yes | Using the WDS or equivalent, 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 WDS or equivalent, register the key ID number.
(See IMMOBILIZER SYSTEM COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING.)

  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
  - WDS or equivalent: B1601/P1260

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.)

No | DTC troubleshooting completed.