OBD Guide

P094D

Hydraulic Pump Over Temperature

P094D is an OBD-II diagnostic trouble code meaning: Hydraulic Pump Over Temperature. Common causes: low or contaminated transmission fluid, hydraulic pump malfunction. Estimated repair cost: $33–167.

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

FAQ

What does the P094D code mean?

P094D is an OBD-II diagnostic trouble code that indicates: Hydraulic Pump Over Temperature

What causes a P094D error code?

The most common causes of P094D include: Low or contaminated transmission fluid; Hydraulic pump malfunction; Problems with the transmission cooling system; Clogged transmission fluid filter.

How do I fix a P094D diagnostic trouble code?

To fix P094D: Check the level and condition of the transmission fluid. Replace transmission fluid and filter. Check the hydraulic pump for leaks or damage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P094D?

Yes, but get it checked soon

How much does it cost to fix P094D?

The estimated repair cost for P094D is $33–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat