SECURITY LIGHT: 13, DTC: B10D7:94/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]SM2445836
SECURITY LIGHT: 13, DTC: B10D7:94/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)]

id0902e5356000

DTC

Security light flashing pattern

13

The key ID number data cannot be read

M-MDS display

Instrument cluster

B10D7:94

PCM

P1260:00
DETECTION CONDITION
• The key ID number data cannot be read
POSSIBLE CAUSE
• No transponder in the key
• Transponder malfunction (Key ID number is not output)
• Any of the following items are touching or near the key head
― Spare keys
acxuuw00002460
― Keys for other vehicles equipped with an immobilizer system
― Any metallic object
― Any electronic device, or any credit or other cards with magnetic strips
• Coil antenna malfunction
• Instrument cluster malfunction


Diagnostic Procedure

STEP

INSPECTION

ACTION
1
VERIFY DTC
• Is B10D7:94/P1260:00 displayed?
Yes
Go to Step 3.
No
Go to the next step.
2
VERIFY DTC
• Is B10D7:05/P1260:00 displayed?
Yes
Perform the DTC inspection for “SECURITY LIGHT: 13, M-MDS: B10D7:05/P1260:00”.
(See SECURITY LIGHT: 13, DTC: B10D7:05/P1260:00 [IMMOBILIZER SYSTEM (KEYLESS ENTRY SYSTEM)].)
No
Go to the next step.
3
VERIFY WHETHER KEY IS VALID OR NOT
• Are there any keys with which the engine can be started, other than the key that is a cause of the displayed DTC?
Yes
Go to Step 5.
No
Go to the next step.
4
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
• Using the M-MDS, register an additional key. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
• Using the registered key, turn the ignition switch to the ON position.
• Verify the DTC using the M-MDS.
― Is B10D7:94/P1260:00 displayed again?
Yes
Replace the coil antenna, then go to Step 6.
(See COIL ANTENNA REMOVAL/INSTALLATION.)
No
• Dispose of the malfunctioning key.
• Register a new key if necessary. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
5
VERIFY WHETHER MALFUNCTION IS IN KEY OR COIL ANTENNA
• Using another valid key, turn the ignition switch to the ON position.
• Verify the DTC Using the M-MDS.
― Is B10D7:94/P1260:00 displayed again?
Yes
Replace the coil antenna, then go to the next step.
(See COIL ANTENNA REMOVAL/INSTALLATION.)
No
• Dispose of the malfunctioning key.
• Register a new key if necessary. (See IMMOBILIZER SYSTEM-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
6
INSPECT INSTRUMENT CLUSTER
• Using the registered key, turn the ignition switch to the ON position.
― Is B10D7:94/P1260:00 displayed again?
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-RELATED PARTS PROGRAMMING [KEYLESS ENTRY SYSTEM].)
No
DTC troubleshooting completed.