P2304 Dodge Code - Ignition Coil 'B' Primary Control Circuit High
Quick Answer
The current flow, or dwell, through the primary ignition coil is controlled by the Powertrain Control Module (PCM) by providing a switched ground path through the ignition coil driver to ground. Common causes include Faulty Ignition Coil 'B', Ignition Coil 'B' harness is open or shorted, Ignition Coil 'B' circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2304 Dodge indicates Ignition Coil 'B' Primary Control Circuit High.
- Common causes
- Common causes include Faulty Ignition Coil 'B', Ignition Coil 'B' harness is open or shorted, Ignition Coil 'B' circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2304 Dodge Description
What are the Possible Causes of the DTC P2304 Dodge?
- Faulty Ignition Coil 'B'
- Ignition Coil 'B' harness is open or shorted
- Ignition Coil 'B' circuit poor electrical connection
How to Fix the DTC P2304 Dodge?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2304 Dodge code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P2304 Dodge code?
Need more information on how to fix the P2304 Dodge code? Get Access to Factory Service Manuals
Need Help with the Code?
Get the P2304 Dodge code diagnosed by a professional: Find a repair shop in your area
Frequently Asked Questions about P2304 Dodge Code
What does the OBDII code P2304 mean on a Dodge?
The P2304 code indicates a high voltage issue in the primary control circuit for ignition coil 'B,' which can affect the engine's ignition system.
What are the common symptoms of the P2304 code on a Dodge?
Symptoms may include a check engine light, engine misfires, rough idling, poor acceleration, or difficulty starting the engine.
What causes the P2304 code on a Dodge?
Common causes include a faulty ignition coil, damaged wiring or connectors, a defective powertrain control module (PCM), or issues with the ignition control circuit.
How can I diagnose the P2304 code on my Dodge?
Start by inspecting the ignition coil 'B,' its wiring, and connectors for signs of damage or corrosion. Use a multimeter to check for proper voltage and continuity in the circuit.
Can a bad ignition coil trigger the P2304 code?
Yes, a faulty ignition coil can cause the P2304 code by disrupting the voltage in the primary control circuit.
Is it safe to drive with the P2304 code on a Dodge?
Driving with the P2304 code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to other components like the catalytic converter.
How do I fix the P2304 code on my Dodge?
Repairs may include replacing the faulty ignition coil, repairing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
Can a dead battery cause the P2304 code?
A weak or dead battery is unlikely to directly cause the P2304 code, but electrical issues can contribute to ignition system problems.
How much does it cost to fix the P2304 code on a Dodge?
Repair costs vary, but replacing an ignition coil typically costs $150–$300, while addressing wiring or PCM issues may increase costs.
Can a bad PCM cause the P2304 code?
Yes, a malfunctioning PCM can cause the P2304 code if it fails to properly control the voltage in the ignition coil 'B' circuit.
Discuss the causes and fixes for P2304 Dodge OBDII Code
Code P2304 Dodge comments
No comments found for this page.
Fix Your Car Smarter
Try the New AutoCodes App!
Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.
