Conditions for Setting the DTC
WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
P2817
- Transmission Control Solenoid Valve 8 = Stuck Off
- Transmission Shifting = 3-4 Gear Shift Malfunction
P2818
- TCC Control = On
- TCC Slip Speed = Low
- Transmission Gear = Park
- Transmission Control Solenoid Valve 8 = Stuck On