Conditions for Running the DTC
- DTCs P0106, P0107, P0108, P0112, P0113, P0115, P0117, P0118, P0122, P0123, P0131, P0132, P0133, P0134, P0135, P0141, P0171, P0172, P0201-P0204, P0217, P0300, P0336, P0337, P0341, P0342, P0351, P0352, P0402, P0404, P0405, P0406, P0441, P0488, P0502, P2195, and P2196 are not set.
- The ignition 1 voltage is between 11-16 volts.
- The intake air temperature (IAT) is more than -20°C (-4°F).
- The engine coolant temperature (ECT) is more than 60°C (140°F).
- The engine is operating for more than 60 seconds.
- The barometric pressure (BARO) is more than 72 kPa.
- The manifold absolute pressure (MAP) is less than 60 kPa.
- The engine is at idle with the throttle closed.
- The following components are not changing states:
- The A/C compressor
- The engine cooling fans
- The automatic transmission
- The ECM is not commanding an idle air control (IAC) motor reset.
- DTC P2279 runs continuously once the above conditions are met for more than 5 seconds.