OBD Guide

P2B1C

Cylinder 7 Injection Pulse Offset Not Learned

P2B1C is an OBD-II diagnostic trouble code meaning: Cylinder 7 Injection Pulse Offset Not Learned. Common causes: reset ecu adaptations, replacing fuel injectors without further training. Estimated repair cost: $17–89.

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

Symptoms

  • Slight reduction in engine power
  • Slight increase in fuel consumption
  • Unstable idling
  • Check Engine Light Illuminates

Causes

  • Reset ECU adaptations
  • Replacing fuel injectors without further training
  • Malfunction of the injector of the 7th cylinder
  • Problems with wiring to the injector
  • Errors in ECU software

How to Fix

  1. Check the condition of the injector of the 7th cylinder
  2. Check the integrity of the wiring to the injector
  3. Perform the injector learning procedure using diagnostic equipment
  4. If necessary, replace the faulty injector
  5. Update ECU software if updates are available

Related codes

Error P2B1C by Vehicle Brand

FAQ

What does the P2B1C code mean?

P2B1C is an OBD-II diagnostic trouble code that indicates: Cylinder 7 Injection Pulse Offset Not Learned

What causes a P2B1C error code?

The most common causes of P2B1C include: Reset ECU adaptations; Replacing fuel injectors without further training; Malfunction of the injector of the 7th cylinder; Problems with wiring to the injector.

How do I fix a P2B1C diagnostic trouble code?

To fix P2B1C: Check the condition of the injector of the 7th cylinder. Check the integrity of the wiring to the injector. Perform the injector learning procedure using diagnostic equipment. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B1C?

Yes, but get it checked soon

How much does it cost to fix P2B1C?

The estimated repair cost for P2B1C is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat