GMC Troubleshooting Questions? Ask a Mechanic for Answers
My name is ***** ***** I am a professional here at Just Answer. I noticed that your question had not received a response and thought I would see if you still need help with this.I apologize for the delay and I hope I can still assist you with this here.
I believe this is in the calibration of one of the computers in your model here to where it will need reprogrammed to correct this fault here.A dealer will have to plug in their computer to your vehicle with their communication adapter to check and see if they can reprogram this.In some cases this cannot be done unfortunately.
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