Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
- The TCM freezes the shift adapts function.
- The TCM commands maximum line pressure.
- The TCM inhibits neutral idle.
- The TCM inhibits Tap Up/Down function.
- The TCM inhibits Tow/Haul function.
- The TCM commands Neutral if the transmission output speed is 1, 350 RPM or greater.
- The TCM commands 2nd gear if the transmission output speed is less than 1, 350 RPM.