OBD Guide

P1368

Ignition Amplifier ECM Signal Bank 2

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$22–89 (est.)

Symptoms

  • Misfire in bank 2 cylinders
  • Unstable engine operation
  • Power reduction
  • Check Engine light comes on
  • Possible problems starting the engine

Causes

  • Ignition amplifier malfunction
  • Open or short circuit in signal circuit
  • Poor contact in connectors
  • Engine control module (ECM) malfunction
  • Problems with power supply to the ignition amplifier

How to Fix

  1. Check the continuity of the ignition amplifier signal circuit
  2. Inspect connectors for corrosion or damage
  3. Check the power and ground of the ignition amplifier
  4. Replace the ignition amplifier if necessary
  5. Check/replace engine control module (ECM) if necessary

Related codes

Error P1368 by Vehicle Brand