P1511
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
5 — Subsystem
Vehicle speed control, idle control and auxiliary inputs
Manufacturer-specific meanings
- Throttle Control System Backup System Performance
- DISA Control Circuit Electrical
- Idle Air Control Solenoid Signal 1 Circuit High Input
- Boost Pressure Low
- Intake Manifold Changeover Valve Circuit Electrical Malfunction