What does fault code P0355 mean?

Ignition Coil E Primary/Secondary Circuit Malfunction. Coil-on-plug ignition coil circuit fault, cylinder position E (8-cylinder engines).

P0355

Ignition Coil E Primary/Secondary Circuit Malfunction

Q: What are the symptoms of P0355?

Misfire; Rough idle/acceleration; CEL, possibly flashing if severe

Q: What are the possible causes of P0355?

Failed ignition coil; Wiring/connector issue; Worn spark plug increasing coil load

Q: How to fix P0355?

Test coil resistance/output; Inspect wiring and plug condition; Replace coil (and plug if worn)

Severity: High Ignition System Generic OBD-II Code Est. Repair: $80 - $250

High severity. Avoid long drives and get diagnosed as soon as possible. Flashing check engine light = stop driving if safe.

Quick Answer

P0355 means “Ignition Coil E Primary/Secondary Circuit Malfunction.” Severity: High. Estimated repair cost: $80 - $250. Most common sign: Misfire.

What Does P0355 Mean?

Coil-on-plug ignition coil circuit fault, cylinder position E (8-cylinder engines).

Common Symptoms

Misfire

Rough idle/acceleration

CEL, possibly flashing if severe

Possible Causes

Failed ignition coil

Wiring/connector issue

Worn spark plug increasing coil load

How to Fix P0355 – Repair Guide

Test coil resistance/output

Inspect wiring and plug condition

Replace coil (and plug if worn)

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Budgeting for This Repair?

A typical P0355 repair runs about $80 - $250. If you'd rather spread the cost over time, estimate the payment with our free sister tool: Car Finance Calculator (50-state sales tax, trade-in equity, full amortization).

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Disclaimer: Information is for educational reference only and does not replace professional diagnosis. Actual causes and costs vary by vehicle make, model, year and condition. Always verify with a qualified technician.