Conditions for Running the DTC: P1816

WARNING: This page is about a different car, the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

No input speed sensor (ISS) DTCs P0716 or P0717.
No OSS DTCs P0722, or P0723.
No SS DTCs P0751, P0752, P0756, P0757, P0973, P0974, P0976 or P0977.
No TFP DTCs P1810, P1815 or P1818.
The engine torque is greater than 50 N.m (37 lb ft).
The output speed is 350 RPM or greater.
OSS speed is 350 RPM or greater.
The throttle position is 8 percent or greater.