ezOBD2 - Free OBD2 Code Lookup and Check Engine Light Diagnostic Tool

Find Your OBD2 Code Fast

Type the code from your scanner to get causes, symptoms, and fixes.

Code C0598

Quick reference

C0598 at a glance

Plain-language meaning
The car's computer is having trouble with part of the brake system, which might make the brakes not work as well as they should.
Urgency
High – Brake issues can significantly impact vehicle safety and should be addressed immediately.
Difficulty
Moderate
System
Brake System Issue
Tools mentioned
OBD-II scanner, Multimeter, Diagnostic software

This summary uses the existing diagnostic information shown in full below.

Laymans terms

The car's computer is having trouble with part of the brake system, which might make the brakes not work as well as they should.

Explanation

This code indicates a performance issue with the Brake System Control Module B, which is responsible for managing certain functions of the vehicle's braking system.

Technical description

The C0598 code is triggered when the Brake System Control Module B does not perform as expected. This module is crucial for ensuring the proper operation of the vehicle's brakes, and any performance issues can lead to reduced braking efficiency or failure.

Symptoms

• Reduced braking performance

• Brake warning light on the dashboard

• Unusual noises when braking

Common Causes

• Faulty Brake System Control Module B

• Wiring issues or poor connections in the brake system

• Software or calibration errors in the module

Glossary

OBD-II: On-Board Diagnostics, a standardized system for self-diagnostics in vehicles.

Brake System Control Module: A component that manages the operation of the vehicle's brakes.

Diagnosis steps

• Use an OBD-II scanner to confirm the C0598 code.

• Inspect the wiring and connections to the Brake System Control Module B.

• Test the module for proper functionality and check for software updates.

Repair procedures

• Repair or replace damaged wiring or connectors.

• Reprogram or update the Brake System Control Module B software.

• Replace the Brake System Control Module B if faulty.

Tools required

• OBD-II scanner

• Multimeter

• Diagnostic software

Estimated repair cost

$200 - $800

Difficulty level

Moderate

Commonly affected vehicles

• Chevrolet Silverado

• GMC Sierra

• Cadillac Escalade

Preventive measures

• Regular maintenance of the brake system

• Ensure software updates are applied

• Check wiring and connections periodically

Error code type

Brake System Issue

User experience recommendations

• Do not ignore the brake warning light.

• Have your brakes inspected by a professional if you notice any issues.

• Regularly maintain your vehicle's brake system.

Warranty information

Check with your vehicle manufacturer for warranty coverage on brake system components.

Historical data

This code has been associated with vehicles that have experienced brake system performance issues, often due to faulty modules or wiring problems.

Urgency level

High – Brake issues can significantly impact vehicle safety and should be addressed immediately.

Testing conditions

• Vehicle must be running

• Brakes should be applied to test the system

Component location

The Brake System Control Module B is typically located near the brake pedal assembly or within the engine compartment.

FAQs

Q: Can I drive with a C0598 code?
A: It's not recommended to drive with a brake system issue as it can affect your ability to stop safely.

Q: How can I reset the C0598 code?
A: Fix the underlying issue first, then use an OBD-II scanner to clear the code.

Optional diagnostic gear

Tools that may help diagnose C0598

FOXWELL Multi-System Scanner diagnostic tool illustration

Pro · Four-system diagnostics

FOXWELL Multi-System Scanner

A handheld scanner aimed at engine, transmission, ABS, and airbag diagnostic work.

Chassis and ABS faults usually need a scanner that can read brake-system data directly.

View on Amazon
EPAuto 1/2" Torque Wrench diagnostic tool illustration

Universal · Torque wrench

EPAuto 1/2" Torque Wrench

Useful when reassembly torque matters for wheel, suspension, and under-hood fasteners.

Useful when wheel, hub, or suspension hardware needs correct reassembly torque.

View on Amazon
MaxxHaul Vehicle Ramps diagnostic tool illustration

Universal · Drive-on ramps

MaxxHaul Vehicle Ramps

Helpful for safer access underneath the vehicle during exhaust, EVAP, and underbody inspection work.

Helpful for safer access during underbody inspection work.

View on Amazon

These are optional diagnostic tools, not guaranteed fixes. As an Amazon Associate I earn from qualifying purchases.

Source: ezOBD2 diagnostic database
🌙