Why can't the Cadillac XTS door lock?

1 Answers
EvangelineDella
07/29/25 5:28pm
Cadillac XTS door cannot be locked due to a problem with the lock block. Check if the lock actuator is functioning. If it is not, it is likely due to poor contact in the central control system wiring. If it is functioning, the issue might be excessive resistance in the locking mechanism, often caused by rust, or the door lock motor latch position may have shifted, which can be adjusted. Another possible reason is a damaged door lock motor with insufficient pulling force, requiring motor replacement. Reasons for the door not locking: 1. Remote control failure: If using the remote key to lock the door, it could be due to remote lock failure or aging of the car's remote transmitter antenna, causing the remote key to malfunction. In this case, use the spare mechanical key to lock the door. 2. Strong magnetic signal interference: Another possibility is strong magnetic signal interference around the car. Since smart keys use low-intensity radio waves, they may not work properly under magnetic interference. 3. Beware of door jammers: If the car frequently fails to lock remotely in a certain location, the owner should be cautious of door jammers. Criminals may use a radio signal jammer that emits electromagnetic waves at the same frequency as the lock signal, blocking the car's central lock electronic code and temporarily disabling it.
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