P1787 — Mercury
P1787 — Mercury: 2-1 Downshift Error
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
7 — Subsystem
Transmission
Manufacturer-specific meanings (Mercury)
- Errore passaggio seconda prima marcia
- 2-1 Downshift Error
- Reversing Light Circuit Short To Ground