OBD Guide

P0355

Ignition Coil E Primary Control Circuit/Open

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Misfires
  • Power Loss
  • Unstable idle
  • Check Engine Light Illuminates

Causes

  • Broken wiring harness
  • Ignition coil malfunction
  • Poor contact in the connector
  • Ignition module malfunction
  • ECU problems

How to Fix

  1. Check the integrity of the wiring harness
  2. Check ignition coil connections
  3. Replace ignition coil
  4. Check the ignition module
  5. Check ECU

Related codes

Error P0355 by Vehicle Brand