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June 11, 2025 Service bulletin

This P/I advises to replace the valve body, not the TCM, for DTCs P1787, P27EC, P187E and/or P18A1 on...

Chevrolet technical service bulletin PIP6069 for 2024 Chevrolet Silverado 1500, 2024 Chevrolet Tahoe and 2024 GMC Sierra 1500 and others.

Bulletin number
PIP6069
Component
Unknown or other
Summary
This P/I advises to replace the valve body, not the TCM, for DTCs P1787, P27EC, P187E and/or P18A1 on vehicles equipped with an ETRS trans assembly.

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