00059 DTC Code: Explained and Troubleshooting Tips


In the world of automotive mechanics, diagnostic trouble codes (DTC) play a crucial role in identifying and solving issues with vehicles. One such code is the 00059 DTC code, which can be encountered in various car models. In this comprehensive guide, we will delve deep into what the 00059 DTC code signifies, its possible causes, troubleshooting tips, and more.

Understanding the 00059 DTC Code

The 00059 DTC code is an indication of a specific problem that has been detected by the vehicle’s onboard diagnostic system. It is important to note that the exact meaning of this code may vary depending on the vehicle make and model. However, in many cases, the code refers to an issue related to the vehicle’s speed control system.

Common Causes for the 00059 DTC Code

To effectively troubleshoot the 00059 DTC code, it is essential to understand its underlying causes. While the specific reasons may vary, here are some common culprits:

  1. Faulty Speed Control Sensor: A malfunctioning speed control sensor can trigger the 00059 DTC code. This sensor is responsible for monitoring the speed of the vehicle and relaying the information to the control module. A defective sensor can lead to inaccurate readings and trigger the code.

  2. Damaged Wiring: Damaged or frayed wiring can disrupt the proper functioning of various vehicle systems, including the speed control system. If the wiring connecting the speed control sensor or related components is compromised, it can result in the 00059 DTC code.

  3. Faulty Control Module: The control module is the brain of the speed control system and is responsible for interpreting sensor data and issuing commands to other components. A malfunctioning control module can misread data or fail to send the correct signals, leading to the 00059 DTC code.

Troubleshooting the 00059 DTC Code

Now that we understand the common causes, let’s explore some troubleshooting tips for resolving the 00059 DTC code:

1. Check the Speed Control Sensor

Start by inspecting the speed control sensor. Look for any visible signs of damage or corrosion. Ensure that the sensor is securely connected and that the wiring leading to it is intact. If necessary, clean the sensor using an appropriate electrical contact cleaner.

2. Inspect the Wiring

Thoroughly examine the wiring associated with the speed control system. Look for any signs of wear, damaged insulation, or loose connections. Repair or replace any damaged wiring as needed. It is also advisable to inspect other nearby wires for potential issues that might affect the speed control system.

3. Test and Replace the Control Module

If the above steps do not resolve the issue, it may be necessary to test and, if required, replace the control module. This should be done by a qualified automotive technician or at a reputable repair shop equipped with the necessary tools and expertise.

Frequently Asked Questions

Q1: Can the 00059 DTC code cause any noticeable symptoms in the vehicle?

A1: Yes, in some cases, the 00059 DTC code may result in symptoms like intermittent speed control failure, the inability to set or maintain a constant speed, or possible illumination of the check engine light.

Q2: Can I continue driving my vehicle if the 00059 DTC code appears?

A2: While it is possible to drive the vehicle with the 00059 DTC code, it is advisable to have it diagnosed and repaired as soon as possible. Ignoring the issue can lead to potential safety risks and may affect the overall performance of the speed control system.

Q3: Can resetting the DTC code eliminate the problem permanently?

A3: Resetting the DTC code using a diagnostic tool may temporarily clear the code, but if the underlying issue remains unresolved, the code is likely to reappear. It is crucial to identify and address the root cause to prevent further occurrences.


The 00059 DTC code indicates a problem within the speed control system of your vehicle. By understanding its causes and following the troubleshooting tips provided, you can tackle this issue effectively. However, if you are uncertain or require professional assistance, it is always recommended to consult with a qualified mechanic or automotive technician to accurately diagnose and repair the problem. Remember, timely action can help maintain the performance and safety of your vehicle.

About author


Meet Sam Mitchell, your experienced and reliable guide in the complex world of car fault codes. With a robust career spanning over 15 years as a professional car mechanic, John has the skills, knowledge, and practical experience to help you navigate car fault issues with confidence.


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