Check the GM OBD2 code list to find out what the codes mean on your car. >> NEXT STEP: https://www.obdadvisor.com/codes/ Visit our site, and type the code in the search box. You will get more information about the code including causes, symptoms, fixes, and repair costs. Reading and clearing the codes will become easier with a scan tool. >> READ MORE: https://www.obdadvisor.com/best-obd2-scanner-review/ This article shows a helpful in-depth review of the 9 best OBD2 scan tools from me, an experienced auto mechanic who has used and tested all of them.