Conditions for Setting the DTC: P0756
WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Both of the following conditions must occur twice during the same trip:
- The TCM commands 1st gear and the resulting gear ratio is 0.65:1-0.72:1 for 2 seconds.
- The TCM commands 2nd gear and the resulting gear ratio is 0.95:1 1.05:1 for 2 seconds.