OBD Guide

P2B15

Cylinder 3 Injection Pulse Offset Exceeded Learning Limit

P2B15 is an OBD-II diagnostic trouble code meaning: Cylinder 3 Injection Pulse Offset Exceeded Learning Limit. Common causes: dirty or faulty injectors, problems with the fuel pump. Estimated repair cost: $17–89.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Rough engine idling
  • Increased fuel consumption
  • Reduced engine power
  • Dips during acceleration
  • Check Engine Light Illuminates

Causes

  • Dirty or faulty injectors
  • Problems with the fuel pump
  • Low fuel rail pressure
  • Camshaft position sensor malfunction
  • Injector wiring problems

How to Fix

  1. Check the condition and performance of the 3rd cylinder injector
  2. Check the pressure in the fuel system
  3. Inspect the wiring harness to the injector
  4. Check the operation of the camshaft position sensor
  5. Clean or replace the nozzle if necessary

Related codes

Error P2B15 by Vehicle Brand

FAQ

What does the P2B15 code mean?

P2B15 is an OBD-II diagnostic trouble code that indicates: Cylinder 3 Injection Pulse Offset Exceeded Learning Limit

What causes a P2B15 error code?

The most common causes of P2B15 include: Dirty or faulty injectors; Problems with the fuel pump; Low fuel rail pressure; Camshaft position sensor malfunction.

How do I fix a P2B15 diagnostic trouble code?

To fix P2B15: Check the condition and performance of the 3rd cylinder injector. Check the pressure in the fuel system. Inspect the wiring harness to the injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B15?

Yes, but get it checked soon

How much does it cost to fix P2B15?

The estimated repair cost for P2B15 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat