U Code List
Diagnostic Trouble Code (DTC) List - Vehicle
This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.
The GM LAN modules on this vehicle also support DTC Symptom information.
U0020 - U2199:
Diagnostic Trouble Code (DTC) List - Vehicle
This master DTC list includes all applicable DTCs in alphanumeric order with descriptors.
The GM LAN modules on this vehicle also support DTC Symptom information.