P0356
Ignition Coil F Primary Control Circuit/Open
P0356 is an OBD-II diagnostic trouble code meaning: Ignition Coil F Primary Control Circuit/Open. Common causes: open circuit in the coil control circuit, faulty ignition coil. Estimated repair cost: $56–167.
Symptoms
- Misfires
- Reduced engine power
- Increased fuel consumption
- Rough idling
Causes
- Open circuit in the coil control circuit
- Faulty ignition coil
- Problems with the ECU
- Damaged wiring harness
- Contact corrosion
How to Fix
- Check the resistance of the ignition coil
- Inspect the control circuit for breaks
- Check contacts and connectors
- Test the ECU
- Replace the ignition coil if necessary
Related codes
Error P0356 by Vehicle Brand
FAQ
What does the P0356 code mean?
P0356 is an OBD-II diagnostic trouble code that indicates: Ignition Coil F Primary Control Circuit/Open
What causes a P0356 error code?
The most common causes of P0356 include: Open circuit in the coil control circuit; Faulty ignition coil; Problems with the ECU; Damaged wiring harness.
How do I fix a P0356 diagnostic trouble code?
To fix P0356: Check the resistance of the ignition coil. Inspect the control circuit for breaks. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P0356?
Limited driving only, diagnose soon
How much does it cost to fix P0356?
The estimated repair cost for P0356 is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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