Keyless/Power Door Locks/Security System Symptom Troubleshooting Index (2020 2021 2022 2023 2024 2025)

NOTE:

If the door lock system and the keyless operation do not work, troubleshoot the door locks first. The system does not function when turn the vehicle to the ON mode.
Before troubleshooting the keyless access system, make sure the fuses and relays associated with the system are OK.

Symptom	Check Items	Also check for
All the doors will not lock or unlock with driver's door key cylinder or door lock switch or keyless remote	Poor ground (G352, G401, G601) Blown No. C2 (20 A) fuse in the under-dash fuse/relay box MICU connector for inputs and outputs check Remote test
Driver's door will not lock or unlock	Poor ground (G401) Blown No. C34 (10 A) and/or No. C35 (10 A) fuse(s) in the under-dash fuse/relay box Door switch test (check the door switch ON/OFF information with the HDS) MICU connector for inputs and outputs check Door lock actuator test
Front passenger's doors will not lock or unlock	Poor ground (G405) Blown No. C33 (10 A) and/or No. C20 (10 A) fuse(s) in the under-dash fuse/relay box MICU connector for inputs and outputs check Door switch test (check the door switch ON/OFF information with the HDS) Door lock actuator test
Left rear door will not lock or unlock	Poor ground (G601) Blown No. C41 (10 A) and/or No. C19 (10 A) fuse(s) in the under-dash fuse/relay box MICU connector for inputs and outputs check Door switch test (check the door switch ON/OFF information with the HDS) Door lock actuator test
Right rear doors will not lock or unlock	Poor ground (G603) Blown No. C33 (10 A) and/or No. C20 (10 A) fuse(s) in the under-dash fuse/relay box MICU connector for inputs and outputs check Door switch test (check the door switch ON/OFF information with the HDS) Door lock actuator test
Tailgate will not lock or unlock	Poor ground (G204, G601) Blown No. A5 (10 A) and/or No. A7 (10 A) fuse(s) in the under-hood fuse/relay box MICU connector for inputs and outputs check Tailgate switch test (check the tailgate switch ON/OFF information with the HDS) Tailgate latch synchronizer actuator test

Symptom	Check Items	Also check for
Passenger doors will not unlock with the remote or key cylinder switch, but will unlock with the inside door unlock switch	Driver's door lock knob switch test (check for door lock knob switch ON/OFF information with the HDS)
Auto door unlock does not work	Symptom troubleshooting
Doors automatically relock 30 seconds after being unlocked with the remote even though a door has been opened	Symptom troubleshooting
Security alarm system will not arm	Symptom troubleshooting
The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed	Symptom troubleshooting
The security system sounds randomly while the doors are locked	Tripped sensor recall