Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Cadillac Escalade ESV, and 2018 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
P0741
Torque Converter Clutch Control Valve = Stuck Off
P2817
Torque Converter Clutch = Not applied
P2818
Torque Converter Clutch = Not released