OBD Guide

P283F

Shift Fork C Position Circuit Intermittent

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 Flashing
  • Jerks when shifting gears

Causes

  • Damage to the sensor circuit wiring harness
  • Oxidation or corrosion of connector contacts
  • Fork position sensor malfunction
  • Mechanical problems with the shift fork
  • Transmission control module (TCM) malfunction

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Clean connector contacts from oxidation
  3. Check the resistance and signal of the position sensor
  4. Check the mechanical condition of the shift fork
  5. Check the operation of the transmission control module

Related codes

Error P283F by Vehicle Brand