What are the common causes of P0360?

An open in the coil J primary control wire. A failed ignition coil J. A corroded or loose coil J connector pin. A bad coil J driver in the ECM. Low supply voltage at coil J.

Swap coil J with a known good coil and recheck the code. Inspect the coil J connector and primary wire for damage. Test the coil J primary control circuit for an open or short. Check coil J supply voltage and ground under load. Replace ignition coil J if the circuit and voltage test good. Clear the code and retest.

P0360

Ignition Coil J Primary Control Circuit/Open

System: Ignition and misfire (P code)
Lamp: Check Engine Light
Category: Powertrain - Ignition

What it means

P0360 means Ignition Coil J Primary Control Circuit/Open.

Check these first

An open in the coil J primary control wire
A failed ignition coil J
A corroded or loose coil J connector pin
A bad coil J driver in the ECM
Low supply voltage at coil J

What to do next

Swap coil J with a known good coil and recheck the code
Inspect the coil J connector and primary wire for damage
Test the coil J primary control circuit for an open or short
Check coil J supply voltage and ground under load
Replace ignition coil J if the circuit and voltage test good
Clear the code and retest

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Updated

Generic SAE J2012 definition. Last updated 2026-10-10.