P0355 — Ignition Coil E Primary/Secondary Circuit Malfunction
Category: Powertrain Severity: High
Updated:
DTC code P0355 means: Ignition Coil E Primary/Secondary Circuit Malfunction. It falls under the "Powertrain" category, with an estimated severity of High. Common causes include failed cylinder 5 coil, loose connector and damaged wiring; it's worth confirming the diagnosis before replacing parts.
Possible causes
- Failed cylinder 5 coil
- Loose connector
- Damaged wiring
- ECU fault
Symptoms
- Misfires
- Loss of power
- Check engine light
How to diagnose it step by step
- Check the connector.
- Swap coils.
- Check the wiring.
- Replace the coil.
How to fix it
Swap coil E with another and replace it if the fault follows.
Estimated repair cost
$60–220 installed.
Frequently asked questions
What does DTC code P0355 mean?
Ignition Coil E Primary/Secondary Circuit Malfunction.
Is code P0355 serious?
Severity High. Have it checked as soon as possible, especially if it affects safety or the catalytic converter.
Can I keep driving with code P0355?
Avoid it if the light is flashing.
Related codes
P0354 P0356 P0353 P0352 P0351 P0345 P0365 P0344 P0366 P0341
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