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Service Vehicle Soon/ Security


grumpyone1953
04-17-2006, 10:14 AM
Hello all Pontiac Aztek owners

My 2002 Pontiac Aztek Service Vehicle Soon/ Security light is on and the Radio is locked. The car is driveable but the power windows do not work, back hatch will not open, instrument panel light do not work at night and my keyless remote do not work. Does any one have any ideas what is wrong with the car.

grumpyone1953

Chameleon-kat
04-19-2006, 07:01 AM
One thing all these symptoms could have in common is the BCM. Thats not to say BCM IS the problem though. Couple other things to consider are: Battery/cable/charging system. The electronics are pretty sensitive to voltage flucuation and a shaky battery/alternater corroded cable connection can cause troubles. I would check cables for corrosion, in particular the one from battery to underhood fuse box. Secondly I would try to get an active load test done on battery/ charging system (turning over slower then normal?) . If those things check out ok, I know of one person that had troubles that corrected problem by using electronics cleaner (liquid stuff) on connections to BCM, and made sure connections were tight,and in this case problems went away. One other thing to try (and simplest thing) is to kinds reset BCM by removing negative cable from battery for about 20 seconds or so (alternative is to remove BCM fuse #28 (I think) in underhood fuse box for about 20 seconds) . Lastly it really could be BCM and that would require dealer to hook up scan tool and check for codes. Good luck

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