OBD Guide

P287B

Shift Fork A Calibration Not Learned

P287B is an OBD-II diagnostic trouble code meaning: Shift Fork A Calibration Not Learned. Common causes: shift fork fault a, problems with fork position sensors. Estimated repair cost: $17–89.

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

Symptoms

  • Incorrect gear shifting
  • Switching delays
  • Switching to emergency mode of the gearbox
  • Check Engine Light Illuminates
  • Unusual noises when shifting gears

Causes

  • Shift fork fault A
  • Problems with fork position sensors
  • Malfunction of solenoid valves in the gearbox
  • Damaged wiring harness or connectors
  • Transmission control module (TCM) problems

How to Fix

  1. Check the condition of the gearshift fork A
  2. Check fork position sensors and their circuits
  3. Check the solenoid valves and their circuits
  4. Check wiring harness and connectors for damage
  5. Perform Shift Fork A Calibration Procedure using diagnostic equipment

Related codes

Error P287B by Vehicle Brand

FAQ

What does the P287B code mean?

P287B is an OBD-II diagnostic trouble code that indicates: Shift Fork A Calibration Not Learned

What causes a P287B error code?

The most common causes of P287B include: Shift fork fault A; Problems with fork position sensors; Malfunction of solenoid valves in the gearbox; Damaged wiring harness or connectors.

How do I fix a P287B diagnostic trouble code?

To fix P287B: Check the condition of the gearshift fork A. Check fork position sensors and their circuits. Check the solenoid valves and their circuits. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P287B?

Limited driving only, diagnose soon

How much does it cost to fix P287B?

The estimated repair cost for P287B is $17–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat