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GMC TSB #PIP5498M
2020 GMC Sierra 2500
TSB Document:
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This Preliminary information communicates A vehicle may have a concern of DTC P050D setting along with a P0300 after a cold start up. White smoke and/or coolant odor may come from exhaust for an extended period of time at cold start as well. Cause Coolant getting into the cylinders, and provides direction for the repair. Â
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