P03FA
Ignition K Control Signal Circuit/Open
P03FA is an OBD-II diagnostic trouble code meaning: Ignition K Control Signal Circuit/Open. Common causes: broken wires in the coil control circuit, ignition coil malfunction. Estimated repair cost: $56–167.
Symptoms
- Misfires
- Reduced engine power
- Increased fuel consumption
- Unstable idle
- Check Engine Light Is On
Causes
- Broken wires in the coil control circuit
- Ignition coil malfunction
- Wiring harness damage
- Broken wire insulation
- Problems with coil connectors
How to Fix
- Check the integrity of the ignition coil control circuit
- Inspect the wiring harness for damage
- Check the ignition coil connectors for oxidation and corrosion.
- Replace the ignition coil if necessary
- Reset error and test drive
Related codes
Error P03FA by Vehicle Brand
FAQ
What does the P03FA code mean?
P03FA is an OBD-II diagnostic trouble code that indicates: Ignition K Control Signal Circuit/Open
What causes a P03FA error code?
The most common causes of P03FA include: Broken wires in the coil control circuit; Ignition coil malfunction; Wiring harness damage; Broken wire insulation.
How do I fix a P03FA diagnostic trouble code?
To fix P03FA: Check the integrity of the ignition coil control circuit. Inspect the wiring harness for damage. Check the ignition coil connectors for oxidation and corrosion.. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P03FA?
Limited driving only, diagnose soon
How much does it cost to fix P03FA?
The estimated repair cost for P03FA is $56–167. Actual cost depends on your vehicle, location, and labor rates.
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