OBD Guide
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B2272

Ignition 1 Monitor Malfunction

B2272 is an OBD-II diagnostic trouble code meaning: Ignition 1 Monitor Malfunction. Common causes: ignition coil malfunction, worn or damaged spark plugs. Estimated repair cost: $33–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–167 (est.)

Causes

  • Ignition coil malfunction
  • Worn or damaged spark plugs
  • Open or short circuit in wiring harness
  • Poor contact in the ignition system connectors
  • ECU malfunction

How to Fix

  1. Visually check the condition of the wiring harness and connectors of the ignition system
  2. Check the condition of the spark plugs and replace if necessary.
  3. Test the ignition coil with a multimeter
  4. Inspect the connector pins for corrosion or damage.
  5. If necessary, replace faulty components (coil, spark plugs, wiring harness)

Related codes

P0300P0301P0351P0352

FAQ

What does the B2272 code mean?

B2272 is an OBD-II diagnostic trouble code that indicates: Ignition 1 Monitor Malfunction

What causes a B2272 error code?

The most common causes of B2272 include: Ignition coil malfunction; Worn or damaged spark plugs; Open or short circuit in wiring harness; Poor contact in the ignition system connectors.

How do I fix a B2272 diagnostic trouble code?

To fix B2272: Visually check the condition of the wiring harness and connectors of the ignition system. Check the condition of the spark plugs and replace if necessary.. Test the ignition coil with a multimeter. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with B2272?

Limited driving only, diagnose soon

How much does it cost to fix B2272?

The estimated repair cost for B2272 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat