Conditions for Running the DTC

P0121

• Before the ECM can report that DTC P0121 failed, DTCs P0097, P0098, P0099, P0112, P0113, P0114, P0117, P0118, and P0119 must run and pass.
• DTCs P0097, P0098, P0099, P0102, P0103, P0107, P0108, P0112, P0113, P0114, P0117, P0118, P0119, P0237, P0238, P0335, P0336, P2228, P02229, or P2230 is not set.
• The engine speed is between 400 - 6, 100 RPM.
• The engine coolant temperature (ECT) is -7 to +125°C (19 - 257°F).
• The intake air temperature (IAT) is -20 to +126°C (-4 to +259°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.