AutoCodes – Chevrolet – U0594 Chevrolet

U0594 Chevrolet 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 Chevrolet 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 625

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

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

What does this mean?

What are the Possible Causes of the DTC U0594 Chevrolet?

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 Chevrolet?

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 Chevrolet 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 Chevrolet Code

1. What are common symptoms of the OBDII code U0594 in a Chevrolet related to the Hybrid Powertrain Control Module?

Symptoms may include issues with starting the vehicle, reduced power or acceleration, and warning lights on the dashboard.

2. What can cause the OBDII code U0594 to appear in a Chevrolet?

The code U0594 typically indicates that the Hybrid Powertrain Control Module is not sending or receiving data properly, which could be due to wiring issues, a faulty module, or software problems.

3. How can I diagnose the OBDII code U0594 in my Chevrolet?

Diagnosis involves using a professional OBDII scanner to retrieve the specific code, checking the wiring and connections to the Hybrid Powertrain Control Module, and testing the module itself for functionality.

4. Is it safe to continue driving my Chevrolet with the U0594 code present?

It is generally not recommended to drive the vehicle with unresolved U0594 code issues, as it can lead to further damage to the hybrid powertrain system and potentially unsafe driving conditions.

5. Can I reset the U0594 code in my Chevrolet on my own?

While you can clear the code using an OBDII scanner, it is important to address the underlying cause of the code to prevent it from reappearing.

6. How much does it typically cost to repair the U0594 code in a Chevrolet?

The cost of repairs for the U0594 code can vary depending on the specific cause, but it may involve replacing wiring, repairing connections, or even replacing the Hybrid Powertrain Control Module.

7. Are there any DIY repair tips for fixing the U0594 code in my Chevrolet?

DIY repairs for the U0594 code may include checking and cleaning electrical connections, inspecting wiring for damage, and ensuring proper grounding of the Hybrid Powertrain Control Module.

8. Can a software update fix the U0594 code issue in my Chevrolet?

In some cases, a software update provided by Chevrolet may address communication issues with the Hybrid Powertrain Control Module and resolve the U0594 code problem.

9. How long does it typically take to repair the U0594 code in a Chevrolet?

The repair time for the U0594 code can vary depending on the complexity of the issue, but it may take a few hours to a day for diagnosis and repair.

10. Should I take my Chevrolet to a dealership or an independent mechanic for U0594 code repairs?

It is recommended to take your Chevrolet to a dealership or a mechanic experienced with hybrid powertrain systems to ensure proper diagnosis and repair of the U0594 code.