Conditions for Setting the DTC
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.
P0741
- The TCC Pressure is greater than 750 Kpa (109 PSI) for 6 s.
- The TCM detects TCC slip greater than 130 RPM for 5 s when the TCC is commanded ON. This condition must occur 2 times.
P0742
- The TCM detects the TCC slip between -50 and +13 RPM for 6 s when the TCC is commanded OFF.
- The above condition must occur 2 times.