Engine-Codes - Generic - P0944

P0944 - Loss Of Hydraulic Pump Prime

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3  What is this?
Table of contents

P0944 Possible Causes

  • Low transmission fluid level
  • Shift Lever Position
  • Plugged Transmission filter
  • Faulty Transmission Oil Pump

How is the P0944 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

What is the cost to diagnose the P0944 code

Labor: 1.0

The cost to diagnose the P0944 code is 1.0 hour of labor. The auto repair labor rates vary widely across the country, and even within the same city. Most auto repairs shops charge between $75 and $150 per hour.
How much do you know about cars?

Take the AutoCodes.com automotive tests and turbo-charge your car repair knowledge

Play Now

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Delay of shifting

P0944 Meaning

The Loss of Prime Test is used to prevent transmission defaults and erroneous fault codes during temporary loss of pump prime that may occur with low transmission fluid under severe braking conditions, start-up, etc. and to point towards more subtle problems such as a plugged or ruptured oil filter. The Loss of Prime fault is set by a loss of hydraulic pressure in the transmission system. This condition, if sustained, will result in the vehicle being unable to move.

More Information

Need more information on how to fix the P0944 code?
Get Access to Factory Service Manuals

Information for specific makes

Need more help?

Get the P0944 code diagnosed by a professional: Find a repair shop in your area