P2305
Ignition Coil B Secondary Circuit
P2305 is an OBD-II diagnostic trouble code meaning: Ignition Coil B Secondary Circuit. Common causes: faulty ignition coil, damaged high voltage wires. Estimated repair cost: $17–56.
Symptoms
- Misfire in cylinder B
- Reduced engine power
- Increased fuel consumption
- Rough engine idling
- Check Engine light comes on
Causes
- Faulty ignition coil
- Damaged high voltage wires
- Poor contact in coil connectors
- Wiring harness damage
- Engine control unit malfunction
How to Fix
- Check the condition of the ignition coil of cylinder B
- Inspect high voltage wires for damage
- Check coil connections and connectors
- Test the resistance of the secondary winding of the coil
- If necessary, replace the ignition coil
Related codes
Error P2305 by Vehicle Brand
FAQ
What does the P2305 code mean?
P2305 is an OBD-II diagnostic trouble code that indicates: Ignition Coil B Secondary Circuit
What causes a P2305 error code?
The most common causes of P2305 include: Faulty ignition coil; Damaged high voltage wires; Poor contact in coil connectors; Wiring harness damage.
How do I fix a P2305 diagnostic trouble code?
To fix P2305: Check the condition of the ignition coil of cylinder B. Inspect high voltage wires for damage. Check coil connections and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2305?
Limited driving only, diagnose soon
How much does it cost to fix P2305?
The estimated repair cost for P2305 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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