Inside lights flashing, security indicator on

Tiny
NAGYJ
  • MEMBER
  • 2001 SATURN L300
  • 120,000 MILES
The security indicator comes on and flashes. After some time, the inside lights, the dashboard lights flash on off, the gauges stop working when dashboard lights flash. The driving lights flash on and off but NOT the headlights. Also, the indicator lights on the shifter are all on when in any gear except park, first or second.

Have had the alternator repaired, the grounds checked and cleaned, the computer module replaced. Still acting up. Also sometimes can not start car except if put key in aux and car in neutral and then will start.
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Friday, October 14th, 2011 AT 8:18 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,005 POSTS
The idea of it only starting in neutral sounds like a neutral safety switch. For the other problems, have the body control module tested and the security system.
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Friday, October 14th, 2011 AT 8:20 PM
Tiny
NAGYJ
  • MEMBER
  • 2 POSTS
Thanks but The BCM was replaced and still having problem.
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Friday, October 14th, 2011 AT 8:44 PM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Just to add to this one I have seen a bad bcm cause all those problems on that car. Its really common for the bcms to go bad on those cars I have replaced so many I lost count. Are sure it was the bcm that was replaced its mounted to the top of the glove box. Also if it was replaced was it a new or used bcm?Did the symptoms change when it was replaced?
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Saturday, October 15th, 2011 AT 1:19 AM

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