OBD codes / P0357

P0357

Serious

Ignition Coil G Primary/Secondary Circuit (Cylinder 7)

Address promptly — can worsen or affect drivability.

What this code means

P0357 — Ignition Coil G Primary/Secondary Circuit (Cylinder 7). This is a standardized OBD-II trouble code, but the exact fault and the right repair depend on your specific vehicle. The common causes and checks for this code are listed below; for a precise diagnosis on your year, make and model, scan the code (and note any companion codes) or run a diagnosis here.

Likely causes

  • faulty ignition coil on cylinder 7
  • coil wiring or connector fault
  • driver circuit problem

Common fixes

  • replace the cylinder 7 ignition coil
  • inspect the coil wiring and connector

What it costs to fix

Varies by vehicle — get it diagnosed.

The repair cost for this code depends too much on your exact vehicle and the underlying cause to quote a meaningful range. Confirm the cause first so you only pay for the fix you actually need.

Diagnose P0357 for my vehicle →

Frequently asked

Can I drive with P0357?

Be cautious. P0357 involves a system that can affect how the car runs or its safety, so it's best to have it diagnosed promptly rather than driving on it. Drive gently to a shop if you must, and stop if the car runs poorly or a warning light is flashing.

How much does it cost to fix P0357?

It varies too much to quote without a diagnosis — the same code can come from a cheap sensor or wiring fix or a more involved repair depending on your exact vehicle and the underlying cause. Confirm the real cause first so you only pay for the fix you actually need.

What should I do about P0357?

Scan the code to confirm it and note any companion codes, inspect the wiring and connectors for the affected component, and run a diagnosis specific to your year, make and model to pinpoint the cause before replacing parts.

Seeing P0357 on your car? Get a diagnosis specific to your exact year, make and model.

Diagnose P0357 for my vehicle

Generic OBD-II reference. Manufacturer-specific behavior varies — confirm with a scan tool and, for safety-related codes, a professional inspection.