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GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat
GM Technical Discussion and Questions
Buick
06 Lucerne cx TCU
Buick
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06 Lucerne cx TCU
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Oct 3, 2020 | 04:45 PM
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Mobifire
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06 Lucerne cx TCU
Where is the transmission control unit located on a 06 lucerne? Is the ecm and tcu the same unit, please help!
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Oct 3, 2020 | 07:50 PM
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CathedralCub
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Same unit on the Lucerne.
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