HomeAll RepliesReply To: 2007 Silverado 5.3l No Start No Crank only when it is cold outside Reply To: 2007 Silverado 5.3l No Start No Crank only when it is cold outside Sponsored February 20, 2025 at 9:54 pm #852656 Parts Man1Participant Did you replace the ECM with a GM or aftermarket Sponsored Subscribe to GM Authority For around-the-clock GM news coverage We'll send you one email per day with the latest GM news. It's totally free. First Name Last Name Email Address Subscribe via Email Leave this field empty if you're human: Sponsored