Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Cadillac Escalade EXT. 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.