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Chevrolet TSB #24-NA-009
2021 Chevrolet Trailblazer
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This service bulletin advises the technician to replace valve body first to determine if that is the issue for and if not, to inspect internal parts of transmission for any signs of abnormal wear to correct customer concerns of Loss of Forward gear, slipping, MIL.
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