Doors Automatically Relock 30 Seconds After Being Unlocked With Transmitter Even Though A Door Has Been Opened

Keyless/Power Door Locks/Security System Symptom Troubleshooting - Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened

Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened

NOTE: Before troubleshooting, check the B-CAN DTCs. If any DTC is indicated, troubleshoot the indicated DTC first.

1. Determine possible failure area (MICU, others):

-1. Move the interior light switch to the DOOR position.

-2. Turn the ignition switch to LOCK (0).

-3. Watch the individual map light and the door/tailgate indicators on the gauge control module.

Do the individual map light and door/tailgate indicators come on when the door/tailgate is open, and go off when the door/tailgate is closed?
-YES- Faulty MICU, replace the under-dash fuse/relay box Under-Dash Fuse/Relay Box Removal and Installation.
-NO- Go to step 2.

2. Open wire check (DR DOOR SW, AS DOOR SW, RR DR DOOR SW, RR AS DOOR SW, TRUNK SW lines):

-1. Disconnect the following connectors.






-2. Check for continuity between test points 1 and 2.










































Is there continuity?
-YES- The DR DOOR SW, AS DOOR SW, RR DR DOOR SW, and RR AS DOOR SW wires are OK. Replace the bad door switch.
-YES- The TRUNK SW wire is OK. Faulty tailgate latch switch or GND line, go to step 3.
-NO- Repair an open or high resistance in the wire between the MICU and the door switch/tailgate latch switch.

3. Open wire check (GND line):

-1. Check for continuity between test points 1 and 2.










Is there continuity?
-YES- The GND wire is OK. Faulty tailgate latch switch; replace the tailgate latch Service and Repair.
-NO- Repair an open or high resistance in the ground wire or poor ground (G603).