Source-backed diagnostic reference
P1673 EV diagnostic code
Engine Hot Lamp Control Circuit
Reference status: This page preserves source-backed code definitions for discovery. Manufacturer/model applicability, repair steps and safety conclusions are not treated as verified unless a manufacturer-specific verified report is available.
Reference definitions
- BUICK: Engine Hot Lamp Control Circuit Source
- CADILLAC: Engine Hot Lamp Control Circuit Source
- CHEVY: Engine Hot Lamp Control Circuit Source
- GM: Engine Hot Lamp Control Circuit Source
- GMC: Engine Hot Lamp Control Circuit Source
- OLDSMOBILE: Engine Hot Lamp Control Circuit Source
- SATURN: Engine Hot Lamp Control Circuit Source
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