. We have a 2018 Silverado 2500 HD diesel truck with 99,000 miles on it. All maintenance, fluids, def have been all checked, refilled and coolant container replaced, The truck started making a “whining” sound that has never been heard before. It happens when acceleration into 2-5 speeds and continues while engine is on. We took it in and the computer did not find anything wrong with it. My question to anybody is can the computer be wrong? Is there something else we could have checked? The shop had nothing else to offer us. Reading these questions tells me that there is something else wrong. Help please. We just spent 2000$ so far on this issue with the noise still the same. The shop even heard the noise. What else can we do? Thank you
