CodesAI scan toolsShare a repair bill

All codes › P0352

P0352: Ignition Coil "B" Primary/Secondary Circuit

What it means

The computer detected an electrical fault in ignition coil "B"'s control circuit, so the cylinder it fires likely isn't getting spark.

Severity: High Coil B circuit fault causes a misfire on its cylinder.

Common causes

  1. Failed ignition coil "B"
  2. Damaged connector or wiring to coil "B"
  3. Shorted coil driver in the engine computer (rare)
  4. Bad ground for the ignition system

Most common causes first. Exact causes vary by make, model and engine.

Can I fix it myself?

Often DIY. Swap coil B with a neighbor to confirm.

Repair cost

SEEDED ESTIMATE Roughly $50–$320

Most likely repair: ignition coil. Diagnosis fees, taxes and other causes are not included.

LineLowHighBasis
Ignition coil$24$155Typical listed retail range, source (8-coil kits ~$378–$474 excluded)
Labor 0.3–1 hr$30$160$100–$160/hr, shop survey

⚠️ This is an editorial placeholder range for this type of repair. It is not based on real invoices or licensed pricing data yet. Real ranges will appear here once enough reader invoices for P0352 are verified.

Verified reader invoices for P0352: 0. Share your repair bill to help build real costs.

Tools that can read P0352

Compare all AI scan tools →

Related codes

P0351 · P0355

The Check Engine Weekly

One email a week: new AI diagnostic tools, real repair costs from reader invoices, and one code explained.

Newsletter launching soon.