OBD Guide

P07DF

Incorrect Shift from Gear 4

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Difficulty shifting gears
  • Jerks when shifting from 4th gear
  • Switching to emergency mode of operation of the box
  • Increased engine speed when switching
  • Check Engine light comes on

Causes

  • Low transmission fluid level
  • Contaminated or old transmission fluid
  • Shift solenoids malfunction
  • Mechanical wear of friction discs
  • Transmission control module (TCM) problems

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Replace transmission fluid and filter if necessary
  3. Check the operation of the gearshift solenoids
  4. Diagnose the mechanical condition of the gearbox
  5. If necessary, reflash or replace the TCM control unit

Related codes

Error P07DF by Vehicle Brand