Source-backed diagnostic reference
P1315 EV diagnostic code
Ignition Coil 4 Primary Feedback 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: Ignition Coil 4 Primary Feedback Circuit Source
- CADILLAC: Ignition Coil 4 Primary Feedback Circuit Source
- CHEVY: Ignition Coil 4 Primary Feedback Circuit Source
- CHRYSLER: Ignition Coil 4 Primary Feedback Circuit Source
- GEO: Ignition Coil 4 Primary Feedback Circuit Source
- GM: Ignition Coil 4 Primary Feedback Circuit Source
- GMC: Ignition Coil 4 Primary Feedback Circuit Source
- JAGUAR: Persistent Misfire Source
- LEXUS: Igniter Circuit Malfunction No 4 Source
- OLDSMOBILE: Ignition Coil 4 Primary Feedback Circuit Source
- OTHER: Persistent Misfire Source
- SATURN: Ignition Coil 4 Primary Feedback Circuit Source
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