OBD Guide

P0350

Ignition Coil Primary/Secondary Circuit/Open

P0350 is an OBD-II diagnostic trouble code meaning: Ignition Coil Primary/Secondary Circuit/Open. Common causes: open circuit in the primary or secondary circuit of the coil, ignition coil malfunction.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon

Symptoms

  • Misfires
  • Power Loss
  • The engine stalls
  • Poor engine starting
  • Increased fuel consumption

Causes

  • Open circuit in the primary or secondary circuit of the coil
  • Ignition coil malfunction
  • Wiring Harness Problems
  • ECU malfunction
  • Contact corrosion

How to Fix

  1. Check the ignition coil for damage
  2. Check the integrity of the wiring harness
  3. Check the resistance of the primary and secondary windings of the coil
  4. Clean connector contacts
  5. Replace the ignition coil if necessary

Related codes

Error P0350 by Vehicle Brand

FAQ

What does the P0350 code mean?

P0350 is an OBD-II diagnostic trouble code that indicates: Ignition Coil Primary/Secondary Circuit/Open

What causes a P0350 error code?

The most common causes of P0350 include: Open circuit in the primary or secondary circuit of the coil; Ignition coil malfunction; Wiring Harness Problems; ECU malfunction.

How do I fix a P0350 diagnostic trouble code?

To fix P0350: Check the ignition coil for damage. Check the integrity of the wiring harness. Check the resistance of the primary and secondary windings of the coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0350?

Limited driving only, diagnose soon

See also: Russian version · NationStat