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Chevrolet TSB #PIP5113
2012 Chevrolet Silverado 2500
TSB Document:
Affected Component: ELECTRICAL SYSTEM
- Summary
- This Preliminary Information communication provides information to the technician about vehicles that during the first few launches after a key cycle, they experience a delayed 1-2 upshift or a sluggish launch with high engine speed. Technician will need to update the Transmission Control Module with the latest calibration is available through TIS2Web.
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