Cadillac TSB #PIP5498M
2017 Cadillac CTS
Affected Component: ENGINE AND ENGINE COOLING
- 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.