What does code P1315 mean on Lexus vehicles?
A fault has been detected in the ignition igniter circuit for cylinder 4, causing combustion failure.
OBD-II Code Lexus
P1315 — Lexus — Igniter Circuit Malfunction (No. 4)
A fault has been detected in the ignition igniter circuit for cylinder 4, causing combustion failure.
Common symptoms
- Misfire
- reduced engine performance
Possible causes
- Defective igniter
- wiring or ignition system fault
Initial recommendation
Perform ignition system inspection focusing on igniter and related components.
Safety notice
This information is for guidance only. Brand-specific codes may vary by model, year, engine, transmission and vehicle configuration. It does not replace a physical inspection or diagnosis by a qualified mechanic. If the vehicle is unsafe to operate, avoid driving it and seek professional inspection.
Analyze this code with MecaOBD
Use the app to combine Lexus code P1315 with your vehicle's actual symptoms for more complete diagnostic guidance.
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