Conditions for Running the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P0128
- DTCs related to the following system/component = Not Set
- B34 Engine Coolant Temperature Sensor
- B66 Intake Air Temperature Sensor
- B75C Multifunction Intake Air Sensor
- Engine Off Time = For greater than 30 min
- Engine Run Time = 30 s to 30 min
- Fuel Alcohol Content = Less than 87%
- Start-Up ECT = -40 to 52°C (-40 to 126°F)
Frequency the DTC runs = Once - Per ignition cycle - After the running conditions are met