P2309

Ignition Coil D Primary Control Circuit Low

Severity

⚠️ Medium

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–67 (est.)

Symptoms

Misfire in cylinder D
Loss of engine power
Increased fuel consumption
Rough engine idling
Check Engine Light Is On

Causes

Cylinder D ignition coil malfunction
Damaged wiring or poor contact in the control circuit
Problems with the ignition coil connector
Engine ECU malfunction
Short circuit in control circuit

How to Fix

Check the condition of the ignition coil of cylinder D
Inspect the control circuit for damage to the wiring
Check the ignition coil connectors and contacts
Measure the resistance of the primary winding of the coil
If necessary, replace the ignition coil

Related codes

P2306 P2307 P2308