OBD Guide

P036C

Ignition G Control Signal Circuit High

P036C is an OBD-II diagnostic trouble code meaning: Ignition G Control Signal Circuit High. Common causes: open or short circuit in the ignition coil wiring harness, ignition coil malfunction. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Misfire in a specific cylinder
  • Loss of engine power
  • Floating idle speed
  • Check Engine Light Illuminates
  • Hard engine start

Causes

  • Open or short circuit in the ignition coil wiring harness
  • Ignition coil malfunction
  • Connection problems/contact oxidation
  • Engine ECU malfunction
  • Mechanical damage to wiring

How to Fix

  1. Check the integrity of the ignition coil wiring harness
  2. Perform a visual inspection of connectors and contacts
  3. Check the resistance of the ignition coil
  4. Check the control signal from the ECU using an oscilloscope
  5. If necessary, replace the ignition coil or ECU

Related codes

Error P036C by Vehicle Brand

FAQ

What does the P036C code mean?

P036C is an OBD-II diagnostic trouble code that indicates: Ignition G Control Signal Circuit High

What causes a P036C error code?

The most common causes of P036C include: Open or short circuit in the ignition coil wiring harness; Ignition coil malfunction; Connection problems/contact oxidation; Engine ECU malfunction.

How do I fix a P036C diagnostic trouble code?

To fix P036C: Check the integrity of the ignition coil wiring harness. Perform a visual inspection of connectors and contacts. Check the resistance of the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P036C?

Limited driving only, diagnose soon

How much does it cost to fix P036C?

The estimated repair cost for P036C is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat