P2318
Ignition Coil G Primary Control Circuit Low
P2318 is an OBD-II diagnostic trouble code meaning: Ignition Coil G Primary Control Circuit Low. Common causes: faulty ignition coil g, open or short circuit in the ignition coil control circuit g. Estimated repair cost: $17–67.
Symptoms
- Misfires
- Check Engine light comes on
- Reduced engine power
- Unstable engine idling
- Poor fuel economy
Causes
- Faulty ignition coil G
- Open or short circuit in the ignition coil control circuit G
- Poor connection in ignition coil G circuit
- Engine control module (ECU) malfunction
- Damaged wiring harness
How to Fix
- Check ignition coil G for damage and resistance
- Check ignition coil G wiring and connectors for opens, shorts and corrosion.
- Check voltage and ground at ignition coil G
- Replace faulty ignition coil G
- Check the engine control module (ECU) for faults
Related codes
Error P2318 by Vehicle Brand
FAQ
What does the P2318 code mean?
P2318 is an OBD-II diagnostic trouble code that indicates: Ignition Coil G Primary Control Circuit Low
What causes a P2318 error code?
The most common causes of P2318 include: Faulty ignition coil G; Open or short circuit in the ignition coil control circuit G; Poor connection in ignition coil G circuit; Engine control module (ECU) malfunction.
How do I fix a P2318 diagnostic trouble code?
To fix P2318: Check ignition coil G for damage and resistance. Check ignition coil G wiring and connectors for opens, shorts and corrosion.. Check voltage and ground at ignition coil G. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2318?
Yes, but get it checked soon
How much does it cost to fix P2318?
The estimated repair cost for P2318 is $17–67. Actual cost depends on your vehicle, location, and labor rates.
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