These 21 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 21 times.
| Code | Definition | Repair coverage |
|---|---|---|
| P0624 | Fuel Cap Lamp Control Circuit | 4 ranked fixes |
| P0648 | Immobilizer Lamp Control Circuit | 4 ranked fixes |
| P0649 | Speed Control Lamp Control Circuit | 4 ranked fixes |
| P0650 | MIL Control Circuit/Open | 4 ranked fixes |
| P0654 | Engine RPM Output Circuit/Open | 4 ranked fixes |
| P0655 | Engine Hot Lamp Output Control Circuit | 4 ranked fixes |
| P0656 | Fuel Level Output Circuit | 4 ranked fixes |
| P065D | Reductant System Malfunction Lamp Control Circuit | 4 ranked fixes |
| P06ED | Engine RPM Output Circuit Low | 4 ranked fixes |
| P06EE | Engine RPM Output Circuit High | 4 ranked fixes |
| P06FF | Economy Mode Lamp Control Circuit | 4 ranked fixes |
| P0804 | Upshift/Skip Shift Lamp Control Circuit | 4 ranked fixes |
| P0814 | Transmission Range Display Circuit | 4 ranked fixes |
| P2585 | Fuel Additive Control Module Warning Lamp Request | 4 ranked fixes |
| P260D | PTO Engaged Lamp Control Circuit | 4 ranked fixes |
| P260E | Particulate Filter Regeneration Lamp Control Circuit | 4 ranked fixes |
| P263A | MIL Control Circuit Low | 4 ranked fixes |
| P263B | MIL Control Circuit High | 4 ranked fixes |
| P2668 | Fuel Mode Indicator Lamp Control Circuit | 4 ranked fixes |
| P26E2 | Fuel Mode Indicator Lamp Control Circuit Low | 4 ranked fixes |
| P26E3 | Fuel Mode Indicator Lamp Control Circuit High | 4 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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