OBD Guide

P2852

Shift Fork Position Sensor C/D Correlation

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$28–89 (est.)

Symptoms

  • Incorrect gear shifting
  • Switching delays
  • Shifting into the wrong gear
  • Switching to emergency mode of the gearbox
  • Check Engine Light Illuminates

Causes

  • Malfunction of shift fork position sensor C or D
  • Damage to the sensor wiring harness
  • Mechanical problems in the gearbox
  • Low transmission fluid level
  • Problems with the transmission control module

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Check the integrity of the sensor wiring harness
  3. Test fork position sensors C and D
  4. If necessary, replace faulty sensors
  5. Check the mechanical condition of the gearbox

Related codes

Error P2852 by Vehicle Brand