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GMC TSB #PIP5655E

2021 GMC Sierra 1500

Summary: This Preliminary information communicates to the dealer technician that the 10L1000Â transmission and valve body assemblyÂ part restriction has ended.Â Dealers are advised that these transmissions and valve bodiesÂ can now be ordered through the regular GM CCA parts process or PQC process for required dealers (Canada).

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