AutoCodes – Generic – U0598

U0598 Code - Invalid Data Received From AC To DC Converter Control Module 'B'

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 AC To DC Converter Control Module 'B', AC To DC Converter Control Module 'B' harness is open or shorted, AC To DC Converter Control Module 'B' 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: U0598 indicates Invalid Data Received From AC To DC Converter Control Module 'B'.
Common causes: Common causes include Faulty AC To DC Converter Control Module 'B', AC To DC Converter Control Module 'B' harness is open or shorted, AC To DC Converter Control Module 'B' 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 1,955

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 U0598 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 AC To DC Converter Control Module 'B' causing its integrity to be questioned.

OBDII Code U0598 - Invalid Data Received From AC To DC Converter Control Module 'B' - AutoCodes.com — U0598 Code - Invalid Data Received From AC To DC Converter Control Module 'B'

What does this mean?

What are the Possible Causes of the DTC U0598?

Faulty AC To DC Converter Control Module 'B'
AC To DC Converter Control Module 'B' harness is open or shorted
AC To DC Converter Control Module 'B' circuit poor electrical connection

How to Fix the DTC U0598?

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 U0598 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 U0598 Code

What does the OBDII code U0598 mean?

U0598 indicates that the vehicle's control modules have received invalid or corrupted data from the AC to DC Converter Control Module 'B'.

What are the common symptoms of code U0598?

Symptoms may include a check engine light, malfunctioning electrical components, reduced charging performance, or battery-related issues.

What causes the U0598 code to appear?

Common causes include faulty wiring or connectors, a malfunctioning AC to DC Converter Control Module 'B', or software issues in the vehicle's communication network.

How can I diagnose the U0598 code?

Start by inspecting the wiring and connectors related to the AC to DC Converter Control Module 'B', check for corrosion or damage, and use a scan tool to monitor module communication.

Can I drive my car with the U0598 code active?

Driving with this code may be possible, but it could lead to electrical issues or reduced charging efficiency, so it's best to address it promptly.

How do you fix the U0598 code?

Repairs may involve replacing damaged wiring, cleaning corroded connections, or replacing the AC to DC Converter Control Module 'B' if it's defective.

Do I need to reprogram the module after replacing it?

In many cases, yes. After replacing the AC to DC Converter Control Module 'B', reprogramming or module initialization may be required to ensure proper operation.

What tools are needed to troubleshoot the U0598 code?

Essential tools include an OBDII scanner, a multimeter for testing wiring and voltages, and potentially manufacturer-specific diagnostic software.

Is the U0598 code specific to one car manufacturer?

No, U0598 is a generic OBDII code, but its troubleshooting and repair procedures can vary depending on the vehicle make and model.

How much does it cost to fix the U0598 code?

The repair cost depends on the root cause, ranging from $50 for simple wiring repairs to $500 or more if the AC to DC Converter Control Module needs replacement.