P2318 Dodge Code - Ignition Coil 'G' Primary Control Circuit Low
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 'G', Ignition Coil 'G' harness is open or shorted, Ignition Coil 'G' 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
- P2318 Dodge indicates Ignition Coil 'G' Primary Control Circuit Low.
- Common causes
- Common causes include Faulty Ignition Coil 'G', Ignition Coil 'G' harness is open or shorted, Ignition Coil 'G' 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 P2318 Dodge Description
What are the Possible Causes of the DTC P2318 Dodge?
- Faulty Ignition Coil 'G'
- Ignition Coil 'G' harness is open or shorted
- Ignition Coil 'G' circuit poor electrical connection
How to Fix the DTC P2318 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 P2318 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.
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Frequently Asked Questions about P2318 Dodge Code
1. What does the OBDII code P2318 mean for a Dodge vehicle?
P2318 indicates an issue with the Ignition Coil 'G' Primary Control Circuit, meaning the circuit has a low voltage condition.
2. What are the common symptoms of the P2318 code in a Dodge?
Symptoms may include engine misfires, rough idling, reduced fuel efficiency, poor acceleration, and an illuminated Check Engine Light.
3. What causes the P2318 code to appear?
Common causes include a faulty ignition coil, damaged wiring or connectors in the ignition coil circuit, a failing PCM (Powertrain Control Module), or corroded electrical connections.
4. Can I drive my Dodge with the P2318 code?
Driving with this code is not recommended, as it can lead to engine misfires, reduced performance, and potential damage to the catalytic converter.
5. How do I diagnose the P2318 code in my Dodge?
Diagnosis involves checking the ignition coil, inspecting the wiring and connectors for damage, testing the circuit for proper voltage, and using a scan tool to monitor live data.
6. How do I fix the P2318 code on a Dodge?
Repairs may include replacing the faulty ignition coil, repairing or replacing damaged wiring or connectors, cleaning corroded connections, or, in rare cases, replacing the PCM.
7. How much does it cost to fix the P2318 code?
Repair costs vary but typically range from $100 to $300, depending on whether the ignition coil or wiring needs replacement.
8. Can a bad ignition coil cause the P2318 code?
Yes, a faulty ignition coil is one of the most common causes of the P2318 code.
9. Is the P2318 code specific to Dodge vehicles?
No, P2318 is a generic OBDII code and can appear on other makes and models, but the diagnostic and repair process may vary.
10. Does the P2318 code always mean the PCM is faulty?
No, PCM failure is rare and typically only considered after ruling out the ignition coil and circuit issues.
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