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2008 - MX-5 - Body and Accessories

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



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

Yes

Go to the next step.

No

Go to Step 3.

2

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

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.




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