P1781
Manufacturer-specific fault code
This code has different meanings depending on the manufacturer. Select your vehicle make below to view specific diagnosis and solutions:
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
7 — Subsystem
Transmission
Manufacturer-specific meanings
- Circuito 4X4L fuori dal campo di autotest
- 4x4 Low Switch is Out of Self-Test Range
- Transmission 4x4 Low Switch Out Of Range Fault
- Upshift Delay Switchover Valve ATCC Y35
- Engine Torque Reduction Open Short To Ground