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.
P20CB, P20CD, P20CE
- Battery Voltage = Greater than 11 V
- Q67 Exhaust Aftertreatment Fuel Injector - High Side Driver = Commanded On
Frequency the DTC runs = Continuously - After the running conditions are met
P2670, P2671
- Battery Voltage = Greater than 11 V
- KR75 Engine Controls Ignition Relay = On
Frequency the DTC runs = Continuously - After the running conditions are met