Doors Auto Relock 30, 60, 90 Seconds After Being Unlocked With Transmitter Even Though A Door Has Been Opened

Symptom Troubleshooting: Doors automatically relock 30, 60, or 90 seconds after being unlocked with the transmitter even though a door has been opened

Doors automatically relock 30, 60, or 90 seconds after being unlocked with the transmitter even though a door has been opened

1. Turn the ceiling light switch in DOOR position.

2. Turn the ignition switch to ON (II).

3. Close all doors.

4. Watch the ceiling light and the door indicator on the gauge control module.

Do the ceiling light and door indicator go off?
YES - Go to step 5.

NO - Repair a short to ground in the wire between the MICU and door switch.


5. Open and close each door one at a time.

6. Watch the ceiling light and the door indicator on the gauge control module.

Do the ceiling light and door indicator come on when the door is open, and go off when the door is closed?
YES - Substitute a known-good MICU and recheck. If the symptom goes away, replace the original MICU. Under-Dash Fuse/Relay Box Removal and Installation

NO - Repair an open in the wire between the MICU and the door switch. If the wire is OK, faulty the door switch, replace the door lock actuator assembly.