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2001 Saturn Interior lights flashing
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Nicaa
New User
Feb 28, 2025, 6:56 AM
Post #1 of 4
(71 views)
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2001 Saturn Interior lights flashing
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2001 Saturn L300
V6
150k miles
Hello, a friend of mine has a 2001 Saturn L300 it has an intermeiate problem that we cant seem to pin point. All the interior lights flash (dome, dash bord, door lights.. everything on the interior of the car) which when it does this issue. It also will start but will not come out of park. It happens about 50% of the time. Last time it had happened she had driven it to the gas station just fine. Then when she went to drive it back home. It wouldnt get out of park. Ended up having to get it into neutral, then start it up so she could drive it back home. We have replaced the alternator, we have a MAF sensor, and an O2 upflow sensor on the way (as per the scanner codes) these will mot help the problems that are causing her to keep getting stranded. We have tried to reset the secerity system several times. Has not seemed to work. I also been thinking that the brake light sensor might be bad but been told that the brake light wouldnt work either, which it does. We have also checked the fuses as well. We are debating on changing out the lock cylinoid (sp?) as per a bad sensor in it?, contacting an locksmith as possible bad chip in the key (but wouldnt this be a constent thing?), maybe replacing the immoblizer, security modular.. any ideas as this is starting to cost a small fortune for her..
Also the car doesnt chime when the key is in the igition with door open..
Thanks for your time and help!
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 28, 2025, 8:01 AM
Post #2 of 4
(68 views)
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Re: 2001 Saturn Interior lights flashing
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Your dartboard method of diagnosing will serve no purpose beyond emptying your wallet.
Many of the features you are talking about are controlled by the Body Control Module (BCM). They are pretty notorious for having problems. It could also have something to do with the door switches or their related wiring.
There is certainly nothing to do with the ignition switch.
Just remember that just because there may be a stored code referring to a specific component, that does not automatically mean that component is bad. It is merely describing a situation that needs further diagnosis.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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Nicaa
New User
Feb 28, 2025, 12:09 PM
Post #3 of 4
(59 views)
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Re: 2001 Saturn Interior lights flashing
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We have been replacing parts as she wants the car to be her regular daily driver and to sell her truck. So she wants it "safe" but we have thought about the BCM however, the only symptom that lines up with that would be the flashing lights which is only the interior lights that are flashing. However it is for sure a communication issue.. thanks will check into that as well.. I think my next step will be to by pass the immobilizer to see if it eliminates the problem. If it does that would isolate the problem.. if not will be looking deeper into this.
(This post was edited by Nicaa on Feb 28, 2025, 12:20 PM)
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Hammer Time
Ultimate Carjunky
/ Moderator
Feb 28, 2025, 1:11 PM
Post #4 of 4
(55 views)
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Re: 2001 Saturn Interior lights flashing
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The immobilizer hs nothing at all to do with the lights or the shift interlock.
If the car runs, the immobilizer is fine.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
(This post was edited by Hammer Time on Feb 28, 2025, 1:11 PM)
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