GMC TSB #PIP5511
2018 GMC Terrain
Affected Component: ENGINE AND ENGINE COOLING
- Summary
- This Preliminary information communicates the potential for a flashing MIL and DTC p0300 to occur in areas of high amounts of rain fall or humidity. This is due to the moisture that can accumulate in the charge air cooler from the rapid cooling of the internal air and be ingested into the engine.