Saturday, August 8, 2026
RecallGazette

Vehicle problems, recalls & safety intelligence

Cadillac CTS 2014–2017technical service bulletin

Bulletin PIP5498D · NHTSA communication 10126921 · issued Dec 1, 2017

Technical service bulletin
communication type
Engine and Engine Cooling
component
2014–2017
model years
26
vehicle entries

Official summary

This Preliminary information communicatesA vehicle may have a concern ofDTCP050D settingalongwith 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. CauseCoolant getting into the cylinders, and provides direction for the repair.

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.