Generic Fault Codes & DTC List
Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.
| Code | Meaning | Applicability |
|---|---|---|
| P077C | ISO/SAE Reserved | Generic Generic OBD |
| P077D | ISO/SAE Reserved | Generic Generic OBD |
| P077E | ISO/SAE Reserved | Generic Generic OBD |
| P077F | ISO/SAE Reserved | Generic Generic OBD |
| P0780 | Gear selection -shift malfunction | Generic Generic OBD |
| P0781 | Gear selection, 1 -2 -shift malfunction | Generic Generic OBD |
| P0782 | Gear selection, 2 -3 -shift malfunction | Generic Generic OBD |
| P0783 | Gear selection, 3 -4 -shift malfunction | Generic Generic OBD |
| P0784 | Gear selection, 4 -5 -shift malfunction | Generic Generic OBD |
| P0785 | Shift/timing solenoid -circuit malfunction | Generic Generic OBD |
| P0786 | Shift/timing solenoid -range/performance problem | Generic Generic OBD |
| P0787 | Shift/timing solenoid -low | Generic Generic OBD |
| P0788 | Shift/timing solenoid -high | Generic Generic OBD |
| P0789 | Shift/timing solenoid -intermittent | Generic Generic OBD |
| P078A | Shift Timing Solenoid "B" | Generic Generic OBD |
| P078B | Shift Timing Solenoid "B" Range/Performance | Generic Generic OBD |
| P078C | Shift Timing Solenoid "B" Low | Generic Generic OBD |
| P078D | Shift Timing Solenoid "B" High | Generic Generic OBD |
| P078E | Shift Timing Solenoid "B" Intermittent | Generic Generic OBD |
| P078F | ISO/SAE Reserved | Generic Generic OBD |
| P0790 | Transmission mode selection switch -circuit malfunction | Generic Generic OBD |
| P0791 | Intermediate shaft speed sensor -circuit malfunction | Generic Generic OBD |
| P0792 | Intermediate shaft speed sensor -range/performance problem | Generic Generic OBD |
| P0793 | Intermediate shaft speed sensor -no signal | Generic Generic OBD |
| P0794 | Intermediate shaft speed sensor -intermittent circuit malfunction | Generic Generic OBD |
| P0795 | Transmission fluid pressure (TFP) solenoid C circuit malfunction | Generic Generic OBD |
| P0796 | Transmission fluid pressure (TFP) solenoid C performance or stuck off | Generic Generic OBD |
| P0797 | Transmission fluid pressure (TFP) solenoid C -stuck on | Generic Generic OBD |
| P0798 | Transmission fluid pressure (TFP) solenoid C electrical malfunction | Generic Generic OBD |
| P0799 | Transmission fluid pressure (TFP) solenoid C intermittent circuit malfunction | Generic Generic OBD |
| P079A | Transmission Friction Element "A" Slip Detected | Generic Generic OBD |
| P079B | Transmission Friction Element "B" Slip Detected | Generic Generic OBD |
| P079C | Transmission Friction Element "C" Slip Detected | Generic Generic OBD |
| P079D | Transmission Friction Element "D" Slip Detected | Generic Generic OBD |
| P079E | Transmission Friction Element "E" Slip Detected | Generic Generic OBD |
| P079F | Transmission Friction Element "F" Slip Detected | Generic Generic OBD |
| P07A0 | Transmission Friction Element "G" Slip Detected | Generic Generic OBD |
| P07A1 | Transmission Friction Element "H" Slip Detected | Generic Generic OBD |
| P07A2 | Transmission Friction Element "A" Performance/Stuck Off | Generic Generic OBD |
| P07A3 | Transmission Friction Element "A" Stuck On | Generic Generic OBD |
| P07A4 | Transmission Friction Element "B" Performance/Stuck Off | Generic Generic OBD |
| P07A5 | Transmission Friction Element "B" Stuck On | Generic Generic OBD |
| P07A6 | Transmission Friction Element "C" Performance/Stuck Off | Generic Generic OBD |
| P07A7 | Transmission Friction Element "C" Stuck On | Generic Generic OBD |
| P07A8 | Transmission Friction Element "D" Performance/Stuck Off | Generic Generic OBD |
| P07A9 | Transmission Friction Element "D" Stuck On | Generic Generic OBD |
| P07AA | Transmission Friction Element "E" Performance/Stuck Off | Generic Generic OBD |
| P07AB | Transmission Friction Element "E" Stuck On | Generic Generic OBD |
| P07AC | Transmission Friction Element "F" Performance/Stuck Off | Generic Generic OBD |
| P07AD | Transmission Friction Element "F" Stuck On | Generic Generic OBD |
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