P0360 code meaning
Ignition Coil J Primary Control Circuit/Open
Powertrain system Generic code P03xx codes Check engine light
What P0360 means
P0360 monitors the primary control circuit of ignition coil J – the line from the engine module to the coil or to its built-in output stage – for an open circuit or high resistance. Coil J usually serves cylinder 10, so the code only occurs on engines with at least 10 cylinders. GM does not use the code (at most eight cylinders). Ford uses coils I and J on its 6.8-litre V10 in vans, pickups and motorhome chassis. Ford checks continuously from 200 rpm within 1 s, expecting a primary-current feedback for every ignition command, and then shuts off injection to that cylinder for 30 s at a time to protect the catalyst. Ford's PCM code list (Roush workshop manual for the V10) shows the code with check engine light. Short circuits have their own codes (P2327 ff).
P0360 at a glance
- Check engine lightYes, usually on
- Emissions testCan fail
- Limp modePossible
- Repair difficultyMedium, DIY possible
- Typical labor0.5 to 2 hours
- Clears after repairWhen cleared with a scanner
Symptoms of P0360
- Check engine light on
- Misfire and rough running on cylinder 10, often also P0310
- Loss of power, jerking under load
- Cylinder shut off (injection off), risk to the catalyst if driven on
Common causes of P0360
- Most likelyIgnition coil J faulty (output stage in the coil or primary winding open)
- Most likelyConnector at the coil corroded, wet or with a loose pin
- PossibleControl, supply or ground wire open or chafed
- Less likelyDriver in the engine module faulty or software (permanent dwell)
Check the most likely causes first. Replacing parts by guesswork is the most expensive way to clear a code.
Parts involved
Ignition coil jIgnition wiringEngine control module
What each part of P0360 means
| P | Powertrain system: engine, fuel system, ignition, emissions and transmission. |
| 0 | Generic code: it means the same on every make (SAE standard). |
| 3 | Area: ignition system or misfire. |
| 60 | The exact fault in that area. |
What to do next
- Note P0360 and any other codes stored with it: several codes together often point to one cause.
- Check for loose connectors and damaged wiring around the parts the code names.
- Check open recalls for your car: some faults are fixed for free by the dealer. Enter your VIN.
- Clear the code only after the repair. If it comes back, the fault is still there.
Buying a used car? Scan it for stored codes before you pay. A recently cleared memory can hide a problem.
Questions about P0360
What does P0360 mean?
P0360 means "Ignition Coil J Primary Control Circuit/Open". P0360 monitors the primary control circuit of ignition coil J – the line from the engine module to the coil or to its built-in output stage – for an open circuit or high resistance. It is a generic code, so it means the same on every make.
Is it safe to drive with P0360?
Drive gently and only to a workshop. With P0360 the car can go into limp mode (reduced power) to protect itself.
Will P0360 fail an emissions test?
Yes, it can. P0360 is emissions-related, so most inspection programs fail a car while it is stored or while the check engine light is on.
How hard is P0360 to fix?
Difficulty: medium. A typical repair takes 0.5 to 2 hours of work. A careful DIY repair is possible with basic tools and a scanner.
Will P0360 clear itself after the repair?
Clear the code with a scanner after the repair. If the fault is fixed, it does not come back.