P2325Ignition System

Ignition Coil I Primary Control Circuit High

P2325 means the ECM detected high voltage on the primary control circuit for ignition coil I, indicating the coil is not switching correctly. This applies to larger engines.

🚗 Not recommended. A misfiring cylinder can damage the catalytic converter.
HIGH
severity
Is P2325 really the problem on YOUR car?
Get a free AI diagnosis ranked by probability for your exact year, make, and model.
Run Free Diagnosis →

🎯 Top Causes, Ranked by Likelihood

#1Failed ignition coil (cylinder I)$30-$120
50%
Open or shorted primary circuit in the coil.
#2Open or shorted coil wiring$40-$250
30%
Break in the control wire or a short to power.
#3ECM driver circuit fault$200-$900
10%
Failed coil driver inside the ECM.

🩺 Common Symptoms

💰 Repair Cost: DIY vs Shop

DIY Cost
$30-$150
Shop Cost
$120-$400

📋 Free OBD2 Code Cheat Sheet

The 50 most common codes with likely cause and DIY fix cost. Sent once, no spam.

🔧 How to Diagnose P2325

1Identify the cylinder for coil I on your engine
2Swap the coil to a nearby cylinder to see if the code moves
3Check the wiring for a short to power or an open
4Replace the coil if it is at fault

❓ Frequently Asked Questions

Can I drive with P2325?
Only briefly. The dead cylinder wastes fuel and risks catalytic converter damage.
What is the difference between P2324 and P2325?
P2324 is a low-voltage fault and P2325 is a high-voltage fault on the same coil I primary circuit.
How much does P2325 cost to fix?
About $30-$150 DIY or $120-$400 at a shop.

🔗 Related Codes

P2324P2322P2328P2301
Don't guess. Know exactly what's wrong.
AmpAuto's AI ranks the real causes for your specific vehicle in 30 seconds.
Diagnose P2325 Free →