GMC Troubleshooting Questions? Ask a Mechanic for Answers
Hello and welcome to just answer, my name is ***** ***** master tech here to help. I cannot see or here your vehicle so I rely on your input so I can help you better. I read your notes to what is happening . The reson your ABS light is on is because the ECU has detected a fault code so it will shut that circuit down.Most likely the problem is in the SRS system, if the air bag light is on. What you need to do first is to have a code reader pull any trouble codes so we can continue with our diagnoses.