Number 5 cylinder failure. Engined has failed cylinder is scored causing the engine to miss and lock up. The engine which is a 6.2 l87 is now under investigation for a piston failure causing the engine to lockup. The piston and engine issue has been investigated by my local repair shop and I can provide written and bore scope pictures of the failure. Yes the engine light was on the ESC was disabled and needed replaced and the traction control was disabled also the emergency brake was enabled and then failed