Doors Will Not Unlock (or Lock) With the Transmitter, But Will Unlock (Lock) With the Door Switch

Symptom Troubleshooting: Doors will not unlock (or lock) with the transmitter, but will unlock (lock) with the door switch

Doors will not unlock (or lock) with the transmitter, but will unlock (lock) with the door switch

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

1. Turn the ignition switch to LOCK (0).

2. Remove the ignition key from the ignition switch.

3. Close and lock the doors.

4. Try to lock/unlock the doors with the keyless transmitter.

Do the door lock actuators work normally?
YES - Intermittent failure, the system is OK at this time.

NO - Go to step 5.


5. Open the driver's door.

Does the key-in reminder chime sound?
YES - Faulty ignition key switch, or short to ground on the ignition switch wire. Repair as necessary.

NO - Go to step 6.


6. Do the transmitter test. Keyless Entry Transmitter Test

Is the transmitter OK?
YES - Substitute a known-good immobilizer control unit-receiver and recheck. If there is still a problem, substitute a known-good MICU to and recheck. If the problem goes away, replace the original immobilizer control unit-receiver or MICU.

NO - Replace the transmitter.