These 13 diagnostic trouble codes share one detection mechanism and one repair path, which is why MechanicDB groups them into a single authored fault family rather than repeating the same explanation 13 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P0818 | Driveline Disconnect Switch Input Circuit | 3 ranked fixes |
| P0836 | Four Wheel Drive (4WD) Switch Circuit | 3 ranked fixes |
| P0837 | Four Wheel Drive (4WD) Switch Circuit Range/Performance | 3 ranked fixes |
| P0838 | Four Wheel Drive (4WD) Switch Circuit Low | 3 ranked fixes |
| P0839 | Four Wheel Drive (4WD) Switch Circuit High | 3 ranked fixes |
| P2771 | Four Wheel Drive (4WD) Low Switch Circuit | 3 ranked fixes |
| P2772 | Four Wheel Drive (4WD) Low Switch Circuit Range/Performance | 3 ranked fixes |
| P2773 | Four Wheel Drive (4WD) Low Switch Circuit Low | 3 ranked fixes |
| P2774 | Four Wheel Drive (4WD) Low Switch Circuit High | 3 ranked fixes |
| P279D | Four Wheel Drive (4WD) Range Signal Circuit | 3 ranked fixes |
| P279E | Four Wheel Drive (4WD) Range Signal Circuit Range/Performance | 3 ranked fixes |
| P279F | Four Wheel Drive (4WD) Range Signal Circuit Low | 3 ranked fixes |
| P27A0 | Four Wheel Drive (4WD) Range Signal Circuit High | 3 ranked fixes |
This page publishes the fault mechanism and the code index. The licensed dataset adds, for every one of the 15,886 codes, the full authored repair set (56,729 procedures in total) with the fields deliberately withheld here:
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