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GM Fault Codes

Welcome to the GM Fault Codes section! Here you will find a comprehensive list of fault codes for your GM vehicle. Our team of experts has compiled this list to help you quickly diagnose and troubleshoot any issues with your vehicle. From engine codes to transmission codes, we’ve got you covered. Stay updated with the latest codes and updates by checking back often. Thank you for choosing GM Fault Codes!


GM CODES. GM Code List P1000-P1299. NOTE: For some code numbers, there may be more than one definition because the same number may be used for different faults on different model years or models. P1031 ....02 Sensor heater control…