Conditions for Running the DTC

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.

DTC P0111, P0112, P0113, P0114, P0117, P0118, P0128, P0502, P0503, P0601, P1621, P2610 = Not set
Ambient Air Temperature = Warmer than -9°C (15. 8°F)
Engine Block Heater = Inactive
Engine Running
Ignition = Off - For greater than 8 h
Vehicle Speed = Greater than 24 km/h (15 MPH)

Frequency the DTC runs = Once - Per cold start-up - After the running conditions are met