Conditions for Setting the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
- Commanded gear is 1st locked.
- Transmission gearbox slip is 400 RPM for 10 seconds.
- Transmission forces 2nd gear.
- Transmission has obtained a valid 2nd for 3 seconds.