Conditions for Running the DTCs
WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
P0326 and P0331
- Before the ECM can report DTC P0326 or P0331 failed, DTCs P0324, P0335, P0336, and P0338 must run and pass.
- DTC P0341, P0342, P0343, P0346, P0347, P0348, P0366, P0367, P0368, P0391, P0392, or P0393 is not set.
- The engine coolant temperature (ECT) sensor is warmer than 60°C (140°F).
- The engine speed is greater than 2,200 RPM.
- DTCs P0326 and P0331 run continuously when the above conditions are met for approximately 20 seconds.
P0327, P0328, P0332, and P0333
- Before the ECM can report DTC P0327 P0328, P0332, or P0333 failed, DTCs P0324, P0335, P0336, and P0338 must run and pass.
- DTC P0341, P0342, P0343, P0346, P0347, P0348, P0366, P0367, P0368, P0391, P0392, or P0393 is not set.
- The engine coolant temperature (ECT) sensor is warmer than 60°C (140°F).
- The increase in engine speed is less than a range of 1,500-2,500 RPM per second.
- The increase in engine load is less than a range of 50-100 kPa per second.
- DTCs P0327, P0328, P0332, and P0332 run continuously when the above conditions are met for approximately 20 seconds.