| DTC | Diagnostic Procedure | Module(s) | 
|---|---|---|
| P0068 | PCM | |
| P0101 | PCM | |
| P0102 | PCM | |
| P0103 | PCM | |
| P0106 | PCM | |
| P0107 | PCM | |
| P0108 | PCM | |
| P0112 | PCM | |
| P0113 | PCM | |
| P0116 | PCM | |
| P0117 | PCM | |
| P0118 | PCM | |
| P0120 | PCM | |
| P0125 | PCM | |
| P0128 | PCM | |
| P0131 | PCM | |
| P0132 | PCM | |
| P0133 | PCM | |
| P0134 | PCM | |
| P0135 | DTC P0135 or P0155 w/LQ4 | PCM | 
| P0136 | PCM | |
| P0137 | PCM | |
| P0138 | PCM | |
| P0140 | PCM | |
| P0141 | DTC P0141 or P0161 w/LQ4 | PCM | 
| P0151 | PCM | |
| P0152 | PCM | |
| P0153 | PCM | |
| P0154 | PCM | |
| P0155 | DTC P0135 or P0155 w/LQ4 | PCM | 
| P0156 | PCM | |
| P0157 | PCM | |
| P0158 | PCM | |
| P0160 | PCM | |
| P0161 | DTC P0141 or P0161 w/LQ4 | PCM | 
| P0169 | PCM | |
| P0171 | PCM | |
| P0172 | PCM | |
| P0174 | PCM | |
| P0175 | PCM | |
| P0178 | PCM | |
| P0179 | PCM | |
| P0200 | PCM | |
| P0218 | DTC P0218 in Automatic Transmission - 4L60-E/4l65-E DTC P0218 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0220 | PCM | |
| P0230 | PCM | |
| P0300 | PCM | |
| P0315 | PCM | |
| P0325 | PCM | |
| P0327 | PCM | |
| P0332 | PCM | |
| P0335 | PCM | |
| P0336 | PCM | |
| P0341 | PCM | |
| P0342 | PCM | |
| P0343 | PCM | |
| P0351 | PCM | |
| P0352 | PCM | |
| P0353 | PCM | |
| P0354 | PCM | |
| P0355 | PCM | |
| P0356 | PCM | |
| P0357 | PCM | |
| P0358 | PCM | |
| P0420 | PCM | |
| P0430 | PCM | |
| P0442 | PCM | |
| P0443 | PCM | |
| P0446 | PCM | |
| P0449 | PCM | |
| P0452 | PCM | |
| P0453 | PCM | |
| P0455 | PCM | |
| P0461 | DTC P0461 in Instrument Panel, Gages, and Console | PCM, IPC | 
| P0462 | DTC P0462 in Instrument Panel, Gages, and Console | PCM, IPC | 
| P0463 | DTC P0463 in Instrument Panel, Gages, and Console | PCM, IPC | 
| P0496 | PCM | |
| P0502 | DTC P0502 in Automatic Transmission - 4L60-E/4L65-E DTC P0502 in Automatic Transmission - 4L80-E | PCM | 
| P0503 | DTC P0503 in Automatic Transmission - 4L60-E/4L65-E DTC P0503 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0506 | PCM | |
| P0507 | PCM | |
| P0522 | DTC P0522 in Instrument Panel, Gages, and Console | IPC | 
| P0523 | DTC P0523 in Instrument Panel, Gages, and Console | IPC | 
| P0530 | DTC P0530 in HVAC Systems - Automatic DTC P0530 in HVAC Systems - Manual | PCM | 
| P0562 | DTC P0562 in Engine Electrical | PCM | 
| P0563 | DTC P0563 in Engine Electrical | PCM | 
| P0567 | DTC P0567 in Cruise Control | PCM | 
| P0568 | DTC P0568 in Cruise Control | PCM | 
| P0601 | PCM | |
| P0602 | PCM | |
| P0604 | PCM | |
| P0606 | PCM | |
| P0608 | DTC P0608 in Instrument Panel, Gages, and Console | PCM , IPC | 
| P0609 | DTC C0235-C0237 or P0609 in Antilock Brake Systems | PCM | 
| P0622 | DTC P0622 in Engine Electrical | PCM | 
| P0641 | PCM | |
| P0650 | PCM | |
| P0651 | PCM | |
| P0654 | DTC P0654 in Instrument Panel, Gages, and Console | PCM, IPC | 
| P0706 | DTC P0706 in Automatic Transmission - 4L60-E/4L65-E | PCM, IPC | 
| P0711 | DTC P0711 in Automatic Transmission - 4L60-E/4L65-E DTC P0711 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0712 | DTC P0712 in Automatic Transmission - 4L60-E/4L65-E DTC P0712 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0713 | DTC P0713 in Automatic Transmission - 4L60-E/4L65-E DTC P0713 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0716 | DTC P0716 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0717 | DTC P0717 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0719 | DTC P0719 in Automatic Transmission - 4L60-E/4L65-E DTC P0719 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0724 | DTC P0724 in Automatic Transmission - 4L60-E/4L65-E DTC P0724 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0730 | DTC P0730 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0740 | DTC P0740 in Automatic Transmission - 4L60-E/4L65-E | PCM | 
| P0741 | DTC P0741 in Automatic Transmission - 4L60-E/4L65-E Shift Solenoid Valve State and Gear Ratio in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0742 | DTC P0742 in Automatic Transmission - 4L60-E/4L65-E DTC P0742 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0748 | DTC P0748 in Automatic Transmission - 4L60-E/4L65-E DTC P0748 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0751 | DTC P0751 in Automatic Transmission - 4L60-E/4L65-E DTC P0751 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0752 | DTC P0752 in Automatic Transmission - 4L60-E/4L65-E DTC P0752 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0753 | DTC P0753 in Automatic Transmission - 4L60-E/4L65-E DTC P0753 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0756 | DTC P0756 in Automatic Transmission - 4L60-E/4L65-E DTC P0756 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0757 | DTC P0757 in Automatic Transmission - 4L60-E/4L65-E DTC P0757 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0758 | DTC P0758 in Automatic Transmission - 4L60-E/4L65-E DTC P0758 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P0785 | DTC P0785 in Automatic Transmission - 4L60-E/4L65-E | PCM | 
| P0856 | in Antilock Brake System | PCM | 
| P0894 | DTC P0894 in Automatic Transmission - 4L60-E/4L65-E DTC P0894 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P1106 | PCM | |
| P1107 | PCM | |
| P1111 | PCM | |
| P1112 | PCM | |
| P1114 | PCM | |
| P1115 | PCM | |
| P1125 | PCM | |
| P1133 | PCM | |
| P1134 | PCM | |
| P1153 | PCM | |
| P1154 | PCM | |
| P1258 | DTC P1258 in Engine Cooling | PCM | 
| P1380 | PCM | |
| P1381 | PCM | |
| P1516 | PCM | |
| P1574 | DTC P1574 in Cruise Control | PCM | 
| P1626 | DTC P1626 in Theft Deterrent | PCM | 
| P1631 | DTC P1631 in Theft Deterrent | PCM | 
| P1637 | DTC P1637 in Engine Electrical | PCM | 
| P1689 | DTC C0287, P1644, or P1689 in Antilock Brake System | PCM | 
| P1810 | DTC P1810 in Automatic Transmission - 4L60-E/4L65-E DTC P1810 in Automatic Transmission - 4L80-E/4L85-E | PCM | 
| P2066 | DTC P2066 in Instrument, Panel, Gages and Console | IPC | 
| P2067 | DTC P2067 in Instrument, Panel, Gages and Console | IPC | 
| P2068 | DTC P2068 in Instrument, Panel, Gages and Console | IPC | 
| P2101 | PCM | |
| P2108 | PCM | |
| P2120 | PCM | |
| P2121 | PCM | |
| P2125 | PCM | |
| P2135 | PCM | |
| P2610 | PCM | |
| P2636 | PCM | |
| P2761 | DTC P2761 in Automatic Transmission - 4L60-E/4L65-E | PCM | 
| P2771 | DTC P2771 in Automatic Transmission - 4L60-E/4L65-E | PCM | 
| U0107 | PCM | |
| UXXXX | Diagnostic Trouble Code (DTC) List in Data Link Communications | PCM, BCM, IPC, VTD, EBCM |