OBD Guide

P2861

Shift Fork B Actuator Circuit Low

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

Symptoms

  • Incorrect gear shifting
  • Delays when shifting gears
  • Switching to emergency mode of the gearbox
  • Check engine light comes on
  • Power Loss

Causes

  • Open or short circuit in the actuator circuit
  • Poor contact in connectors
  • Faulty shift fork actuator
  • Problems with the transmission control module
  • Wiring harness damage

How to Fix

  1. Check the integrity of the actuator circuit
  2. Inspect connectors for corrosion or damage
  3. Check actuator resistance
  4. Scan the transmission control module for errors
  5. If necessary, replace the actuator or wiring harness

Related codes

Error P2861 by Vehicle Brand