P1800 — Buick
P1800 — Buick: TCM Power Control Relay Circuit Open
Code breakdown
P — System
Powertrain (engine, transmission, fuel & emissions)
1 — Type
Manufacturer-specific
8 — Subsystem
Transmission
Manufacturer-specific meanings (Buick)
- TCM Power Control Relay Circuit Open
Related codes
- P1800-buick — TCM Power Control Relay Circuit Open
- P1800-cadillac — TCM Power Control Relay Circuit Open
- P1800-chevrolet — TCM Power Control Relay Circuit Open
- P1800-gm — TCM Power Control Relay Circuit Open
- P1800-gmc — TCM Power Control Relay Circuit Open
- P1800-oldsmobile — TCM Power Control Relay Circuit Open