OBD Guide

P2B1A

Cylinder 6 Injection Pulse Offset Not Learned

P2B1A is an OBD-II diagnostic trouble code meaning: Cylinder 6 Injection Pulse Offset Not Learned. Common causes: malfunction of the fuel injector of cylinder 6, injector power supply problems. Estimated repair cost: $17–89.

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

Symptoms

  • Unstable engine operation
  • Increased fuel consumption
  • Misfire in cylinder 6
  • Reduced engine power
  • Check Engine Light Is On

Causes

  • Malfunction of the fuel injector of cylinder 6
  • Injector power supply problems
  • Short or open in the injector control circuit
  • Incorrect readings of sensors affecting injection
  • Problems with ECU software

How to Fix

  1. Check the condition of the fuel injector of cylinder 6
  2. Diagnose the injector control circuit
  3. Check the power and ground of the injector
  4. Reset injection adaptations
  5. If necessary, replace the injector

Related codes

Error P2B1A by Vehicle Brand

FAQ

What does the P2B1A code mean?

P2B1A is an OBD-II diagnostic trouble code that indicates: Cylinder 6 Injection Pulse Offset Not Learned

What causes a P2B1A error code?

The most common causes of P2B1A include: Malfunction of the fuel injector of cylinder 6; Injector power supply problems; Short or open in the injector control circuit; Incorrect readings of sensors affecting injection.

How do I fix a P2B1A diagnostic trouble code?

To fix P2B1A: Check the condition of the fuel injector of cylinder 6. Diagnose the injector control circuit. Check the power and ground of the injector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2B1A?

Yes, but get it checked soon

How much does it cost to fix P2B1A?

The estimated repair cost for P2B1A is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat