P1866
Transmission Transfer Case System Concern Servicing Required.
- Ford
- Powertrain
- Manufacturer code
How this code is built
- P
- SystemPowertrain
- 1
- Defined byThe manufacturer
- 8
- AreaTransmission
- 66
- FaultThe specific fault in that area
Guide
Writing the guide for P1866. The first open of a code takes up to a minute.