Action Taken When the DTC Sets
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- The TCM illuminates the malfunction indicator lamp (MIL).
- When failure occurs in a forward range, the transmission will go to the previous range. If failure occurs in NEUTRAL or REVERSE, the transmission will lock in NEUTRAL while diagnostic response is active.
- If the shift selector is moved to NEUTRAL, the transmission will shift to NEUTRAL.
- If the shift selector is moved to REVERSE, the transmission will shift to REVERSE or NEUTRAL or in some cases may lock in NEUTRAL.
- If the shift selector is returned to a forward range and the transmission is compromised by overspeeding or direction change, the transmission will shift to NEUTRAL.
- DTC P2724 is stored in TCM history.
- The TCM freezes shift adapts.
- The TCM inhibits torque converter clutch (TCC) engagement.