OBD Guide

P28BE

Cylinder 12 Ion Current Sense Circuit Low

P28BE is an OBD-II diagnostic trouble code meaning: Cylinder 12 Ion Current Sense Circuit Low. Common causes: broken or damaged ion current circuit wiring, spark plug fault. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • The engine runs rough
  • Power Loss
  • Increased fuel consumption
  • Check Engine light comes on
  • Possible misfires

Causes

  • Broken or damaged ion current circuit wiring
  • Spark plug fault
  • Problems with the ignition coil
  • Short circuit in the circuit
  • Engine control unit malfunction

How to Fix

  1. Check the integrity of wiring and connections
  2. Check the spark plug
  3. Check the ignition coil
  4. Check circuit resistance
  5. If necessary, replace faulty components

Related codes

Error P28BE by Vehicle Brand

FAQ

What does the P28BE code mean?

P28BE is an OBD-II diagnostic trouble code that indicates: Cylinder 12 Ion Current Sense Circuit Low

What causes a P28BE error code?

The most common causes of P28BE include: Broken or damaged ion current circuit wiring; Spark plug fault; Problems with the ignition coil; Short circuit in the circuit.

How do I fix a P28BE diagnostic trouble code?

To fix P28BE: Check the integrity of wiring and connections. Check the spark plug. Check the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P28BE?

Limited driving only, diagnose soon

How much does it cost to fix P28BE?

The estimated repair cost for P28BE is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat