Source-backed diagnostic reference
P1201 EV diagnostic code
Cylinder 1 Misfire
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
- ACURA: Cylinder 1 Misfire Source
- BUICK: (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance Source
- CADILLAC: (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance Source
- CHEVY: (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance Source
- CHRYSLER: (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance Source
- GM: Alternative Fuel Gas Mass Sensor Circuit Range Performance Source
- GMC: Alternative Fuel Gas Mass Sensor Circuit Range Performance Source
- HONDA: Cylinder 1 Misfire Source
- INFINITI: Cylinder 1 Misfire Source
- JAGUAR: Cylinder 1 Injector Circuit Open/Shorted Source
- OLDSMOBILE: Alternative Fuel Gas Mass Sensor Circuit Range Performance Source
- OTHER: Injector Circuit Open / Shorted - Cylinder #1 Source
- SATURN: Alternative Fuel Gas Mass Sensor Circuit Range Performance Source
- VOLKSWAGEN: Cylinder 1 Fuel Injector Circuit Electrical Malfunction Source
Search and canonical URL
Capitalization, underscores, hyphens, colons and spaces are normalized to this canonical code identity so alternate scan-tool formats do not create duplicate pages.