DTC B102B:51 [ADVANCED KEYLESS AND START SYSTEM]

id0902e1387300

Detection Condition

• No advanced key programming record (programming never performed in past)

Note

• If the advanced key has never been programmed, DTC B102B:51 cannot be detected even if the advanced key is cleared.

Possible Causes

• Advanced key is not programmed.

• Keyless control module malfunction

Diagnostic Procedure

Step

Inspection

Action

1

VERIFY NUMBER OF PROGRAMMED ADVANCED KEYS

•  Using the M-MDS, perform the PID/data monitor inspection and verify the number of programmed advanced keys.
(See PID/DATA MONITOR INSPECTION [ADVANCED KEYLESS AND START SYSTEM].)

―  NUMCARD
(See PID/DATA MONITOR TABLE [ADVANCED KEYLESS AND START SYSTEM].)

•  Is there a programmed advanced key?

Yes

Go to the next step.

No

Program the advanced key, then go to the next step.

(See ADVANCED KEY ID CODE REGISTRATION [ADVANCED KEYLESS AND START SYSTEM].)

2

VERIFY DTCs

•  Clear the DTCs using the M-MDS.
(See CLEARING DTC [ADVANCED KEYLESS AND START SYSTEM].)

•  Verify the DTCs using the M-MDS.
(See DTC INSPECTION [ADVANCED KEYLESS AND START SYSTEM].)

•  Is the DTC B102B:51 displayed?

Yes

Replace the keyless control module.

(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].)

No

DTC troubleshooting completed.

Step	Inspection		Action
1	VERIFY NUMBER OF PROGRAMMED ADVANCED KEYS • Using the M-MDS, perform the PID/data monitor inspection and verify the number of programmed advanced keys. (See PID/DATA MONITOR INSPECTION [ADVANCED KEYLESS AND START SYSTEM].) ― NUMCARD (See PID/DATA MONITOR TABLE [ADVANCED KEYLESS AND START SYSTEM].) • Is there a programmed advanced key?	Yes	Go to the next step.
1		No	Program the advanced key, then go to the next step. (See ADVANCED KEY ID CODE REGISTRATION [ADVANCED KEYLESS AND START SYSTEM].)
2	VERIFY DTCs • Clear the DTCs using the M-MDS. (See CLEARING DTC [ADVANCED KEYLESS AND START SYSTEM].) • Verify the DTCs using the M-MDS. (See DTC INSPECTION [ADVANCED KEYLESS AND START SYSTEM].) • Is the DTC B102B:51 displayed?	Yes	Replace the keyless control module. (See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS AND START SYSTEM].)
2		No	DTC troubleshooting completed.