Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. 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.