P036D

Ignition H Control Signal Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–167 (est.)

Symptoms

Misfires
Engine troubles
Power reduction
Increased fuel consumption
Check Engine Light Is On

Causes

Open or short circuit in wiring harness
Faulty ignition coil
Problems with the ECU
Poor contact in connectors
Contact corrosion

How to Fix

Check the integrity of the wiring harness
Check the resistance of the ignition coil
Inspect connectors for damage and corrosion
Check the control signal from the ECU
Replace faulty components

Related codes

P0300 P0301 P0302 P0303 P0304