OBD Guide

P2861

Shift Fork B Actuator Circuit Low

P2861 is an OBD-II diagnostic trouble code meaning: Shift Fork B Actuator Circuit Low. Common causes: open or short circuit in the actuator circuit, poor contact in connectors. Estimated repair cost: $33–167.

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

FAQ

What does the P2861 code mean?

P2861 is an OBD-II diagnostic trouble code that indicates: Shift Fork B Actuator Circuit Low

What causes a P2861 error code?

The most common causes of P2861 include: Open or short circuit in the actuator circuit; Poor contact in connectors; Faulty shift fork actuator; Problems with the transmission control module.

How do I fix a P2861 diagnostic trouble code?

To fix P2861: Check the integrity of the actuator circuit. Inspect connectors for corrosion or damage. Check actuator resistance. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2861?

Limited driving only, diagnose soon

How much does it cost to fix P2861?

The estimated repair cost for P2861 is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat