Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP
Hello and welcome! My name is ***** ***** I can assist you with your question. Can I start by getting your VIN? Thank you!
Thank you for the VIN! Let me do some digging and post back shortly
The problem you are experiencing is a an issue with the computer system. The BUS network or circuit is not working. I would start by checking all fuses and fusible links and verify the powers and grounds going into the computer are good with the key on.
The PCM could be bad or any other of the modules on board the vehicle could be bad. But before replacing any of the modules, you will need to start by checking all of the basic stuff first.. like the fuses. If they all check out good, check for a referance voltage going to the throttle body with the key on. If there is no voltage from the PCM, then check the power and grounds going into the computer and check to see if any of the sensors are shorting out the PCM as this is a possibility.
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