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
- DTCs P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0335, or P0336 is not set.
- The engine speed is between 500 - 6, 800 RPM.
- The engine coolant temperature (ECT) is -7 to +126°C (19 - 259°F).
- The intake air temperature (IAT) is -20 to +125°C (-4 to +257°F).
- The DTC runs continuously when the above conditions are met.
P0122, P0123, P0222, P0223
- DTC P06A3 is not set.
- The ignition is ON or the engine is running.
- The run/crank or powertrain relay voltage is greater than 6. 41 V and reduced power is not active.
- The DTCs run continuously when the above condition are met.
P16A0, P16A1, or P16A2
- DTC P06A3 is not set.
- The ignition is ON or the engine is operating.
- The run/crank voltage is greater than 6. 41 V.
- The DTCs run continuously once the above conditions are met for greater than 1 s.
P2135
- DTCs P0122, P0123, P0222, P0223, or P06A3 are not set.
- The ignition is ON or the engine is running.
- The run/crank or powertrain relay voltage is greater than 6. 41 V and reduced power is not active.
- The DTC runs continuously when the above conditions are met.