P28BD
Cylinder 12 Ion Current Sense Circuit Range/Performance
P28BD is an OBD-II diagnostic trouble code meaning: Cylinder 12 Ion Current Sense Circuit Range/Performance. Common causes: open or short circuit in the ion control circuit, faulty ion controlled spark plug. Estimated repair cost: $17–89.
Symptoms
- Unstable engine operation
- Increased fuel consumption
- Check Engine Light Illuminates
- Reduced engine power
- Possible misfire in cylinder 12
Causes
- Open or short circuit in the ion control circuit
- Faulty ion controlled spark plug
- Problems with the wiring harness to the 12th cylinder
- Engine control unit malfunction
- Poor contact in circuit connectors
How to Fix
- Check the integrity of the ion control circuit of the 12th cylinder
- Inspect and, if necessary, replace the spark plug
- Check the condition of the wiring harness and connectors
- Test the operation of the engine control unit
- Clear error codes and test drive
Related codes
Error P28BD by Vehicle Brand
FAQ
What does the P28BD code mean?
P28BD is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Ion Current Sense Circuit Range/Performance
What causes a P28BD error code?
The most common causes of P28BD include: Open or short circuit in the ion control circuit; Faulty ion controlled spark plug; Problems with the wiring harness to the 12th cylinder; Engine control unit malfunction.
How do I fix a P28BD diagnostic trouble code?
To fix P28BD: Check the integrity of the ion control circuit of the 12th cylinder. Inspect and, if necessary, replace the spark plug. Check the condition of the wiring harness and connectors. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P28BD?
Yes, but get it checked soon
How much does it cost to fix P28BD?
The estimated repair cost for P28BD is $17–89. Actual cost depends on your vehicle, location, and labor rates.
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