AutoCodes – Ford – U0594 Ford

U0594 Ford Code - Invalid Data Received From Hybrid Powertrain Control Module

Quick Answer

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: U0594 Ford indicates Invalid Data Received From Hybrid Powertrain Control Module.
Common causes: Common causes include Faulty Hybrid Powertrain Control Module, Hybrid Powertrain Control Module harness is open or shorted, Hybrid Powertrain Control Module circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 1,950

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Apr 14, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code U0594 Ford Description

A Controller Area Network (CAN) is a vehicle bus standard designed to interconnect automotive devices without a host computer. Operating information and commands are exchanged among the devices. The devices have programmed information about what messages are needed to be exchanged on the serial data circuits. Some devices are constantly receiving information from other devices through serial data communication network. The invalid data Diagnostic Trouble Code (DTC) will be set when a receiving device detects a discrepancy in the information it receives from the Hybrid Powertrain Control Module causing its integrity to be questioned.

OBDII Code U0594 Ford - Invalid Data Received From Hybrid Powertrain Control Module - AutoCodes.com — U0594 Ford Code - Invalid Data Received From Hybrid Powertrain Control Module

What does this mean?

What are the Possible Causes of the DTC U0594 Ford?

Faulty Hybrid Powertrain Control Module
Hybrid Powertrain Control Module harness is open or shorted
Hybrid Powertrain Control Module circuit poor electrical connection

How to Fix the DTC U0594 Ford?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the U0594 Ford code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about U0594 Ford Code

1. What are the common symptoms of OBDII code U0594 in a Ford vehicle?

The common symptoms include the check engine light coming on, reduced power and acceleration, and potential issues with the hybrid powertrain system.

2. What does the OBDII code U0594 in a Ford indicate?

OBDII code U0594 indicates that the engine control module has detected invalid data from the hybrid powertrain control module.

3. What are the possible causes of OBDII code U0594 in a Ford?

Possible causes include a faulty hybrid powertrain control module, wiring issues, poor electrical connections, or software glitches in the control modules.

4. How can I diagnose OBDII code U0594 in my Ford vehicle?

Diagnosis typically involves scanning the vehicle with an OBDII scanner to retrieve the specific code, checking the hybrid powertrain control module for any visible damage, and inspecting the wiring and connections for faults.

5. Can I still drive my Ford with OBDII code U0594 present?

It is recommended to avoid driving the vehicle with OBDII code U0594 present, as it can lead to further damage to the hybrid powertrain system and potentially affect the vehicle's performance and safety.

6. How can I repair OBDII code U0594 in my Ford?

Repairing OBDII code U0594 often involves repairing or replacing the hybrid powertrain control module, addressing any wiring or connection issues, and clearing the code with an OBDII scanner.

7. Is it safe to clear the OBDII code U0594 in my Ford without addressing the underlying issue?

Clearing the code without addressing the underlying issue may temporarily turn off the check engine light, but it will not fix the problem causing the code. It is important to diagnose and repair the issue to prevent it from recurring.

8. Can a DIY enthusiast fix OBDII code U0594 in a Ford?

While some simple checks and repairs can be done by a DIY enthusiast, diagnosing and repairing OBDII code U0594 often requires specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

9. How much does it typically cost to fix OBDII code U0594 in a Ford?

The cost of fixing OBDII code U0594 can vary depending on the underlying issue, parts needed for repair, and labor costs. It is advisable to get a diagnostic from a mechanic to determine the exact cost.

10. How can I prevent OBDII code U0594 from appearing in my Ford in the future?

Regular maintenance, including checking the hybrid powertrain system, ensuring proper electrical connections, and addressing any warning signs promptly, can help prevent OBDII code U0594 from appearing in the future.