Conditions for Running the DTC

P2227

• Before the ECM can report DTC P2227 failed, DTCs P0121, P0122, P0123, P0221, P0222, P0223, P0335, P0336, P0338, P2228, and P2229 must run and pass.
• The engine is operating for greater than 20 seconds.
• The mass air flow is greater than 11 g/s.
• The difference between the calculated manifold absolute pressure (MAP) and BARO pressure is less than 1.0 kPa for greater than 3 seconds.
• DTC P2227 runs continuously once the above conditions are met for 2 seconds.

P2228 or P2229

• The engine is operating.
• The DTCs run continuously once the above conditions are met for 2 seconds.