Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

P0667

No DTCs P0711, P0712, P0713, P077B, or P215C.
No DTCs P0721, P0722, or P0723.
DTC P0667 has not passed this key ON.
Ignition voltage is 11-18V.
The engine running for 5 seconds.
The TCM temperature is between -50 and +149°C (-58 and +300°F).
Vehicle speed is greater than 8 km/h (5 mph) for 300 seconds cumulative.

P0668

DTC P0668 has not failed this ignition cycle.
Ignition voltage is 11-18V.
The engine running for 5 seconds.

P0669

DTC P0669 has not failed this ignition cycle.
Ignition voltage is 11-18V.
The engine running for 5 seconds.
The transmission output shaft speed is greater than 200 RPM for greater than 5 seconds.