HomeAll RepliesReply To: Silverado 2500 HD parking assist chip retrofit Reply To: Silverado 2500 HD parking assist chip retrofit Sponsored May 28, 2023 at 6:24 am #762956 shrimperParticipant update on my 2022 refresh Silverado 1500 dealer picked up my truck on Wednesday everything is finished I sent gm a letter it might of helped took 1 year and a month to get all retrofits finished 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