HomeAll RepliesReply To: Silverado 2500 HD parking assist chip retrofit Reply To: Silverado 2500 HD parking assist chip retrofit Sponsored May 10, 2023 at 12:13 pm #760561 shrimperParticipant thank you I did that still nothing I will do it again in a few days 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