P1200 — GMC
P1200 — GMC: Injector Control Circuit
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
2 — Subsystem
Fuel and air metering (injector circuit)
Manufacturer-specific meanings (GMC)
- Injector Control Circuit
- Fuel Pump Relay ECU Circuit Malfunction
- Fuel Pump Relay Circuit