OBD Guide

P288F

Shift Fork B Actuator Control Circuit Driver Current/Temperature Too High

Severity
🔴 High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Gear shifting problems
  • Switching to emergency mode of the gearbox
  • The Check Engine light comes on
  • Jerks when shifting gears
  • Reduced vehicle dynamics

Causes

  • Actuator solenoid valve malfunction
  • Short circuit in control circuit
  • Broken or damaged wiring harness
  • Oxidation of contacts in connectors
  • Mechanical resistance in the switching mechanism

How to Fix

  1. Check the condition of the wiring harness and connectors
  2. Measure the resistance of the solenoid valve
  3. Check control circuit voltage
  4. Replace the faulty actuator if necessary
  5. Clean contacts from oxides

Related codes

Error P288F by Vehicle Brand