Conditions for Setting the DTC
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
P0722
- The TCM detects no output shaft speed when there is vehicle speed.
- The transmission output speed is less than 200 RPM for 5 seconds.
P0723
- The TCM detects an unrealistic drop in output shaft speed.
- ISS DTC P0723 has not failed this ignition.
- The transmission output speed is 1,000 RPM or greater for 2 seconds.
- The transmission output speed drops 1,300 RPM for greater than 4 seconds and does not recover.