| PCode | Code | Brand | Description |
|---|---|---|---|
| P0669 | P0669 | PCM/ECM/TCM Internal Temperature Sensor Circuit High | |
| P0670 | P0670 | Glow Plug Module Control Circuit | |
| P0671 | P0671 | Cylinder 1 Glow Plug Circuit | |
| P0672 | P0672 | Cylinder 2 Glow Plug Circuit | |
| P0673 | P0673 | Cylinder 3 Glow Plug Circuit | |
| P0674 | P0674 | Cylinder 4 Glow Plug Circuit | |
| P0675 | P0675 | Cylinder 5 Glow Plug Circuit | |
| P0676 | P0676 | Cylinder 6 Glow Plug Circuit | |
| P0677 | P0677 | Cylinder 7 Glow Plug Circuit | |
| P0678 | P0678 | Cylinder 8 Glow Plug Circuit |