Doors Automatically Relock 30, 60, or 90 Seconds After Being Unlocked With the 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 to the 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.

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

NO - Repair 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.

Does 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.

NO - Check for open in the wire between the MICU and the door switch. If the wire is OK, replace the door switch.