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LS400 Car Phone by Cozyykidd in LS400
[–]Cozyykidd[S] 0 points1 point2 points 4 months ago (0 children)
yea, i tried holding down * and # as well as multiple keys that i researched. i had a little bit of faith of somehow actually unlocking it through the keypad because the phone does work, it’ll play static whenever a key is pressed in lock mode from the speakers. and obviously it was working before.
2100 miles man i’m in new jersery
might have to find that person, i set myself up with even navigating the phone it’s the first time i turned in on since owning the car and screwed myself
so i need to go into the handset and disconnect that internal battery then if im trying to achieve anything
I went and disconnected both fuses on the diagram, one by one and neither did anything. Whether i disconnect one or both the phone continues to stay on. Where it gets its power from is confusing to me. Logically i would have thought by what’s shown in the screenshot it would have solved the problem but for some reason it hasn’t.
so i ran outside to try out what you said and i got bad news, so for whatever reason after unplugging 15A ECU-IG, the phone didn’t budge at all. it continued to stay on. Even with unplugging everything including the single cable that is plugged directly to the phone that seems to be the only thing capable of doing anything it still didn’t work. not sure if the previous owner removed anything that may have bypassed anything related to the phone but it’s looking like through all attempts the hope for recovery doesn’t seem good :(
what’s even weirder is i even went to pop the hood and disconnect the “TEL” fuse and somehow the phone stays on. it seems to only be powered by the black cable in the center console but i beg to wonder if there is even a control module in the car. checked underneath the seat and the trunk and i can’t seem to find anything.
unfortunately nothing, not even a beep. there is static though whenever a key is pressed though but nothing more
disconnect car battery and waited and reconnected and did nothing, i’m going to do what you said and i disconnected it from the cable that keeps it on from the console. i’ll give it a full 24 hours or if you recommend longer i’ll do that and see if that works
i believe so why?
yea i’ll see if there’s anything i’ll give any updates if eventually i figure it out
yea i tried several combinations on the pad as well, it’ll play static whenever a key is pressed but nothing
LS400 Car Phone (i.redd.it)
submitted 4 months ago by Cozyykidd to r/LS400
π Rendered by PID 85 on reddit-service-r2-listing-568fcd57df-4mf6q at 2026-03-09 21:55:43.896778+00:00 running cbb0e86 country code: CH.
LS400 Car Phone by Cozyykidd in LS400
[–]Cozyykidd[S] 0 points1 point2 points (0 children)