P1664 — Buick
P1664 — Buick: 1-4 Upshift Lamp Control Circuit
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
6 — Subsystem
Computer output circuit
Manufacturer-specific meanings (Buick)
- Malfunzionamento modulo di comando pompa di iniezione
- 1-4 Upshift Lamp Control Circuit
- 1 4 Upshift Lamp Control Circuit