P1644 — Cadillac
P1644 — Cadillac: TP Output Circuit
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
6 — Subsystem
Computer output circuit
Manufacturer-specific meanings (Cadillac)
- Circuito di comando velocità pompa carburante
- TP Output Circuit
- Fuel Pump Speed Control Circuit Malfunction
- Check DTC Memory Of Clutch ECU