P1789
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 elettrovalvola frizione ad inerzia in cortocircuito
- Pressure Control Solenoid B Short Circuit
- Pressure Control Solenoid B Circuit Shorted
- Ignition Supply Malfunction
- Idle Speed Intervention Circuit Error Message From Engine Control