P030F
Ignition B Control Signal Circuit High
P030F is an OBD-II diagnostic trouble code meaning: Ignition B Control Signal Circuit High. Common causes: ignition coil b fault, open or short circuit in wiring harness. Estimated repair cost: $56–167.
Symptoms
- Misfires
- Unstable engine operation
- Power reduction
- Increased fuel consumption
- Check Engine Light Illuminates
Causes
- Ignition coil B fault
- Open or short circuit in wiring harness
- Problems with the ECU
- Contact corrosion
- Crankshaft position sensor malfunction
How to Fix
- Check the condition of ignition coil B
- Inspect the wiring harness for damage
- Check contacts and connectors
- Test the ECU for errors
- Replace faulty components
Related codes
Error P030F by Vehicle Brand
FAQ
What does the P030F code mean?
P030F is an OBD-II diagnostic trouble code that indicates: Ignition B Control Signal Circuit High
What causes a P030F error code?
The most common causes of P030F include: Ignition coil B fault; Open or short circuit in wiring harness; Problems with the ECU; Contact corrosion.
How do I fix a P030F diagnostic trouble code?
To fix P030F: Check the condition of ignition coil B. Inspect the wiring harness for damage. Check contacts and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P030F?
Limited driving only, diagnose soon
How much does it cost to fix P030F?
The estimated repair cost for P030F is $56–167. Actual cost depends on your vehicle, location, and labor rates.
See also: Russian version · NationStat