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Unread post by pewkie1266 » Thu Sep 04, 2014 12:28 pm

03 Olds Alero. Will a scanner tool pick up bcm codes if the check engine light is not on.

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Unread post by carriedi » Thu Sep 04, 2014 9:16 pm

depends on the scanner but yes, scanners can get codes that will not turn on the check engine light. BCM codes are for the body. SES (service engine soon or check engine) codes are for the engine, trans and emissions.
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