P1547 — Buick
P1547 — Buick: A/C System Performance Degraded
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 (Buick)
- A/C System Performance Degraded
- Boost Pressure Control Valve Short To Ground