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GMC TSB #17249
2017 GMC Sierra
TSB Document:
Affected Component: POWER TRAIN
- Summary
- 17249 - Service Update Bulletin. Incidental engine combustion events, can occur at certain temperature, loading conditions and throttle positions. When limited or zero torque converter slip is commanded during these events a ?chuggle? sensation may occur. Dealers are to reprogram the transmission control module.
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