DTC U0401:68 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM]

id09021c399300

DETECTION CONDITION
Keyless control module receive engine state or engine speed data from PCM, while steering is locked
POSSIBLE CAUSE
•  PCM malfunction
•  Keyless control module malfunction

Diagnostic Procedure

Step

Inspection

Action
1
PERFORM ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM DTC INSPECTION
•  Clear the DTC from keyless control module memory using the M-MDS.
•  Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS.
•  Are the following DTCs present?
―  B10E7:12
―  B10E7:17
Yes
Go to the applicable DTC inspection.
(See DTC B10E7:12 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
(See DTC B10E7:17 [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
No
Go to the next step.
2
PERFORM PCM DTC INSPECTION
•  Perform the PCM DTC inspection using the M-MDS.
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [L8, LF, L5].)
(See DTC TABLE [MZR-CD (RF Turbo)].)
(See DTC TABLE [MZR-CD 2.2].)
No
Go to the next step.
3
VERIFY TROUBLESHOOTING COMPLETED
•  Clear the DTC from keyless control module memory using the M-MDS.
•  Switch the ignition to off, then open the door to lock the steering.
•  Perform the advanced keyless entry and push button start system DTC inspection using the M-MDS.
•  Is the same DTC present?
Yes
Replace the keyless control module, then go to the next step.
(See KEYLESS CONTROL MODULE REMOVAL/INSTALLATION [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
No
Go to the next step.
4
VERIFY THAT NO OTHER DTCs ARE PRESENT
•  Are any DTCs present?
Yes
Go to the applicable DTC inspection.
(See DTC TABLE [ADVANCED KEYLESS ENTRY AND PUSH BUTTON START SYSTEM].)
No
DTC troubleshooting completed.