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Thread: 07 silverado 5.3 classic ECU the same as an 08 trailblazer SS?

  1. 10-14-2009 09:14 PM #1
    JeRM82
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    07 silverado 5.3 classic ECU the same as an 08 trailblazer SS?

    Is an 07 silverado 5.3 classic ECU the same as an 08 trailblazer SS ECU?
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  2. 10-14-2009 09:16 PM #2
    nonnieselman
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    nope.. the 07 classic uses the LS1 PCM... the 08 TBSS uses either the E38 or E40 ECM along with a TCM for the transmission.
    2000 ECSB Silverado 12.5@111
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  3. 10-14-2009 09:27 PM #3
    JeRM82
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    Quote Originally Posted by nonnieselman View Post
    nope.. the 07 classic uses the LS1 PCM... the 08 TBSS uses either the E38 or E40 ECM along with a TCM for the transmission.

    THANKS.....
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