Conditions for Setting the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
P0756
- Gear Command = 1st Gear
- Gear ratio 2.72 to 3.01 detected. - For greater than 1 s = 2nd Gear
- TCC Slip Speed = Greater than 400 RPM - For greater than 10 s
The above conditions must occur in sequence 3 times