Buick Regal, Century: Emissions

Affects Buick Regal, Century · 2000 — about 5K vehicles.

The hazard

Certain vehicles do not comply with the requirements of CMVSS. 1105 - Evaporative Emissions. Vehicles may have an OBD-II (On Board Diagnostics) calibration that causes a false evaporative emission system code to set under certain conditions, resulting in Malfunction Indicator Lamp (MIL) illumination. Correction: Dealers will reflash the vehicle PCM (Power Control Module) with new calibration software.

What to do

Contact your dealer; the remedy details were not included in the filing.

Critical — crash/injury risk now High — injury risk; see remedy Moderate — fix at next service Low — minor / informational