OBD Guide

P094D

Hydraulic Pump Over Temperature

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$33–167 (est.)

Symptoms

  • Check Engine light comes on
  • Gear shifting is delayed or jerky
  • Reduced transmission performance
  • Transmission fluid overheating

Causes

  • Low or contaminated transmission fluid
  • Hydraulic pump malfunction
  • Problems with the transmission cooling system
  • Clogged transmission fluid filter
  • Pump temperature sensor fault

How to Fix

  1. Check the level and condition of the transmission fluid
  2. Replace transmission fluid and filter
  3. Check the hydraulic pump for leaks or damage
  4. Check the operation of the transmission cooling system
  5. Check the pump temperature sensor and its circuit

Related codes

Error P094D by Vehicle Brand