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.

P0121

DTC P0102, P0103, P0107, P0108, P0112-P0114, P0117, P0118, P0335, P0336 = Not set
Engine Speed = 500 to 6, 900 RPM
Engine Coolant Temperature = -7 to 126°C (19 to 257°F)
Intake Air Temperature = -20 to 125°C (-4 to 257°F)

Frequency the DTC runs = Continuously After the running conditions are met

P0122, P0123, P0222, P0223, P16A0, P16A1, P16A2, P2135

{ P0122, P0123, P0222, P0223, P16A0, P16A1, P16A2 }DTC P06A3 = Not set
{ P2135 }DTC P0122, P0123, P0222, P0223, P06A3 = Not set
Ignition = On or Engine = Running
Ignition Voltage = Greater than 6. 4 V

Frequency the DTC runs = Continuously After the running conditions are met